Menu
66 Summer Street, Somerville, MA
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Breakfast
Onigiri Breakfast Set
Two handmade onigiri with your choice of filling, served with mini miso soup. Light & comforting Japanese breakfast$8.95White Fish Okayu
Japanese-style rice porridge simmered in a light dashi broth, topped with tilapia, ginger, and scallions, Served with hot green tea and onsen egg (soft-cooked Japanese egg)$12.95
Lunch
Kokoro Lunch Set (11am-2pm Only!!!)
Lunch Donburi Set
Choose your favorite donburi, served with an onsen egg and a cup of dashi soup. A simple and comforting set, perfect for any time of day$17.95Lunch Sashimi Don Set
Freshly sliced sashimi, carefully selected and served with special sushi rice. Comes with a light side salad and house sesame dressing, along with a cup of dashi soup$19.95
Kokoro Lunch Bento Box!
Vegetarian Bento: Tofu katsu, vegetable gyoza, seaweed salad, cucumber & avocado roll. Chicken or Pork Katsu Bento: Chicken or pork katsu, pork gyoza, seaweed salad, salmon avocado roll$17.95
Kokoro Bento Sushi Box
Fresh sushi lunch set with nigiri, salmon maki, sashimi & seaweed salad. Perfect balanced bento for a satisfying midday meal. This set is comes with house dashi soup$22.95
Keishoku Sando & Waffle

Premium Katsu Sando(Chicken)
Crispy chicken cutlet with authentic Japanese milk bread and refreshing with cabbage salad. Contain: Sesame, Wheat$12.95
Tokyo Fruit Shokupan
Soft Japanese shokupan sandwich filled with fresh seasonal fruits and whipped cream, light and refreshing$12.95
Karaage Waffle(Japanese Fried Chicken with Waffle)
Crispy Japanese fried chicken on a fluffy waffle, topped with yuzu mayo sauce and roasted sesame on top$7.95
Premium Katsu Sando(Pork)
Crispy pork cutlet with authentic Japanese milk bread and refreshing with cabbage salad. Contain: Sesame, Wheat$12.95
Tokyo Creamy Egg Shokupan
Japanese fluffy egg sandwich made with Shokupan and creamy egg filling, simple yet delicious$12.95
Kokoro Sando
Fluffy Japanese omelet layered with ham, bacon and cheese in Japanese shokupan$16.90Signature Pork Chashu Sando
Japanese milk bread filled with tender lean chashu pork, slow-cooked in a sweet and savory soy sauce mix with scallion and sesame oil. Served with a cabbage salad with sesame dressing for a fresh, balanced bite. Simple, comforting, and easy to enjoy$12.95
Drinks
Special Drink(Iced)
Drinks (Hot)
Drinks (Iced)
Chef's Favorites

Grilled Hamachi Kama with Truffle Salt
Yellowtail collar grilled with sprinkles of truffle salted serve with house ponzu sauce, light dashi soup and Japanese rice on the side$29.95
66 Summer Roll
Fresh and vibrant – salmon, avocado & cucumber inside, topped with tuna, hamachi, yuzu mayo, and tobiko$17.95
Kokoro Roll
Premium roll with torched Toro(Fatty Tuna). Fresh tuna and avocado inside, topped with uni, ikura, and truffle yuzu/wasabi mayo, Special sauce$18.95
Kokoro Classic Set (6pc)
Nigiri (sushi) set featuring Sake, Maguro, Ebi, and Tamago. Served with fresh salad and warm dashi soup$24.95
Kokoro Premium Set (8pc)
Nigiri(sushi) set with Sake, Maguro, Hamachi, Unagi, and Ikura. Served with salad and dashi soup. Served raw or undercooked.$38.95
Kokoro Signature Set (10pc)
Premium Nigiri (sushi)set featuring Salmon, Tuna, Yellowtail, Ikura, Otoro, Uni, and Squid. Served with salad and dashi soup$58.95
Avo Harmony Roll(Veggie)
Inside, you'll find a bright trio of avocado, cucumber, and sweet pickled radish (oshinko). Finished with silky avocado slices on top, this roll is clean, smooth, and satisfying in every bite$16.95
Kokoro Unagi Flame Roll
A signature seared-eel roll featuring flame-torched unagi over creamy avocado or crisp cucumber you can pick. Finished with our house eel glaze and sesame for a rich, smoky aroma$19.956pcs Kokoro Mix Vegetable Sushi
This set is including with 2 pcs avocado nigiri, 2 pcs cucumber nigiri and 2 pcs oshinko nigiri$17.95Inari Trio Set(3Pcs)
Inari Trio Set – Spicy Selection Three pieces of inari sushi topped with our signature: spicy tuna, spicy salmon, and spicy hamachi$10.95
Kokoro Volcano Tower
Spicy kani mixed house tempura flakes and shiitake mushroom for crunchy and flavorful, layered with avocado, topped with torched salmon belly, truffle oil, tobiko, scallion, sesame seed and house special sauce$13.95
Zensai Appetizers

Aburi Saba
Lightly seared saba with a rich, smoky aroma and savory umami flavor$11.50
Agedashi Tofu (4pc)
Fried soft tofu served in a warm dashi broth with grated radish, scallion, and bonito for a delicate, savory flavor$8.50
Broccoli Agedashi
Lightly fried broccoli served in warm dashi broth with grated radish and scallion for a crisp yet delicate flavor$7.50
Broccoli Garlic Sauce
Lightly sautéed broccoli in a savory house garlic, ginger sauce for a simple, aromatic flavor$8.95
Crispy Ebi Mayo
Crispy fried shrimp serve with special spicy mayo sauce$12.95
Edamame Steamed with Salt
Steamed edamame lightly sea salted for a simple and fresh$5.90
Hamachi Goku (4pcs)
Golden hamachi sashimi with yuzu kosho sauce, top with jalapeño. Serve raw or undercook$16.95
Karaage(Japanese Fried Chicken)
Japanese-style fried chicken thight marinated in soy, garlic, and ginger, served crispy and juicy in every bite. Serve with Yuzu mayo.$9.50
Kokoro Pork Gyoza Cheese 6 Pcs
Pan-fried dumplings topped with cheesy torch melt$11.95
Pork Gyoza Pan-fried (6pc)
Pan-fried dumplings in Japanese style, serve with house special sauce$8.50Seaweed Salad
Fresh marinated seaweed tossed in a light sesame dressing for a crisp, umami-rich bite$6.50
Takoyaki 6 Pcs
Osaka-style octopus balls, topped with special sauce$9.95Truffle Edamame
Steamed edamame tossed in aromatic truffle oil and light salt with peppers for a rich, savory finish$9.50
Vegetable Tempura
Assorted seasonal vegetables lightly battered and fried for a crisp, delicate tempura finish, serve with tempura sauce$10.95Kokoro Veggies Gyoza Cheese(6pcs)
Japanese veggies dumplings pan fried style with cheesey, serve with sesame soy sauce. Contain wheat, sesame$11.95Veggie Gyoza Pan-fried(6Pcs)
Japanese dumpling pan-fried, serve with sesame soy sauce. Contain wheat, sesame$8.50
Keishoku Onigiri & Inari Price Per 1 Pc
Kokoro Inari – Avocado Salad
Fresh avocado mixed with house salad dressing, served in sweet inari tofu for a light, refreshing bite$3.95Kokoro Inari – Oshinko
Sweet inari tofu filled with rice and crisp oshinko pickles for a bright, refreshing bite$3.95Kokoro Inari – Sweet Corn
Sweet inari tofu filled with rice and topped with creamy sweet corn for a light, comforting bite$3.95Kokoro Inari – Tamago
Sweet inari tofu filled with rice and topped with soft, flavorful tamago for a light and comforting bite$3.95Kokoro Inari - Aburi Unagi
$5.95Kokoro Inari – Spicy Crab
Inari tofu filled with rice and topped with creamy spicy kani (imitation crab)$4.95Kokoro Inari – Spicy Salmon
Sweet inari tofu filled with rice and topped with spicy salmon for a rich, flavorful bite. Served Raw or undercooked$4.95Kokoro Inari – Spicy Tuna
Sweet inari tofu filled with rice and topped with spicy Tuna for a rich, flavorful bite. Served raw or undercook$4.95Kokoro-Inari Spicy Hamachi(yellowtail)
Sweet inari tofu filled with rice and topped with special spicy yellowtail$3.95Onigiri – Salmon(cooked)
Triangular rice ball filled with grilled salmon in our house special sauce, wrapped in seasoned seaweed$3.95Onigiri – Seaweed Salad
Japanese triangular rice ball filled with fresh seaweed salad, offering a light, refreshing flavor in every bite$3.95Onigiri – Tuna Salad(Cooked)
Japanese triangular rice ball filled with creamy tuna, wrapped in seasoned seaweed for a bold, flavorful bite$3.95Onigiri – Tamago
Japanese triangular rice ball filled with house special Japanese omlette, wrapped in seasoned seaweed for a bold, flavorful bite$3.95Onigiri – Tobiko
Japanese triangular rice ball filled with house dressing tobiko salad for a crisp, briny pop of flavor in every bite$3.95Spicy Salmon(Cooked) Onigiri
Japanese triangular rice ball filled with spicy salmon, wrapped in seasoned seaweed for a rich and flavorful bite$3.95Unagi Onigiri
Japanese triangular rice ball filled with tender grilled unagi glazed in rich eel sauce, wrapped in seasoned seaweed for a warm, flavorful bite$3.95
Donburi Rice Bowl

Kokoro Mix Signature Don
The munu items serve raw or undercooked. The bowl with salmon or/and another chef choice selected, spicy mix fish and Ikura. Set is served with side dishes including Konbu Dashi Ochazuke Soup, oshinko (pickled daikon), hamachi kosho, and seasoned seaweed$26.95
Kokoro Premium Don
A luxurious donburi featuring premium otoro with mix fish. Topped with ikura, creamy Uni and Caviar Served with Konbu Dashi Ochazuke Soup, oshinko, hamachi kosho, and seasoned seaweed. (Fish selection may vary by Chef’s Choice.) Served Raw or undercooked$48.95
Oyako Don(Keep It Special)!!
Japanese rice bowl with tender chicken chashu, onion, and soft egg simmered in a light house dashi sauce. On top with scallion and sesame. Simple, comforting, and full of flavor$17.95
Kokoro Veggies Tempura Don
Crispy assorted veggie tempura served over warm Japanese rice, served with our light and savory tempura sauce$14.95
Kokoro Curry Don
Fluffy Japanese rice served with crispy tonkatsu, smothered in rich Japanese curry with carrots and potatoes. Topped with toasted sesame seeds, fresh scallions, and paired with a silky onsen egg for extra richness. Contain: sesame, and egg$18.95
Chicken Katsu Don
A classic Japanese rice bowl topped with crispy chicken katsu and savory tonkatsu sauce on the side, a sprinkle of toasted sesame seeds, and fresh scallions. Paired with steamed broccoli for a refreshing balance. Contain: wheat, sesame$14.95
Pork Katsu Don
Crispy pork katsu served over warm Japanese rice, paired with lightly blanched broccoli for a clean, balanced bowl. Serve with Katsu sauce house special on the side. Contain: wheat, egg, and sesame$14.95Curry Don
A comforting Japanese curry rice bowl, rich and savory, served with your choice of protein, carrots and potatoes$14.95Karaage Don
A Japanese rice bowl topped with Japanese crispy chicken and steamed broccoli, garnished with toasted sesame seeds and scallion. Yuzu mayo on the side. Contain: wheat, sesame$14.95
Hamachi Don
The munu items serve raw or undercooked. A signsture sushi rice bowl topped with fresh slices of yellowtail sashimi , garnished with Tobiko and scallions (For size M) and spicy hamachi on top for size L. Served with creamy wasabi mayo$18.95
Maguro Don(Tuna Rice Bowl)
A signature sushi rice bowl topped with fresh slices of tuna sashimi , garnished with toasted sesame seeds and scallions. Spicy Tuna on top for size Large. Served with creamy wasabi mayo. Served raw$17.95
Sake(salmon) Don
The munu items serve raw or undercooked. A signature sushi rice bowl topped with fresh slices of salmon sashimi , garnished with toasted sesame seeds and scallions. Spicy salmon on top for size large. Serve with creamy wasabi mayo$17.95Tamago Don
A Japanese rice bowl topped with thick slices of home made fluffy tamagoyaki (Japanese omelette), neatly arranged over warm rice. On top with Tobiko. Conatin raw fish roe$14.95Tofu Yakiniku Don
A Japanese rice bowl featuring grilled tofu glazed with savory sauce, topped with toasted sesame seeds and scallions. Served with steamed broccoli and pickled ginger. Available for requested Gluten free$14.95
Unagi Don
A Japanese rice bowl topped with grilled eel glazed in sweet-savory unagi sauce, served with pickled daikon (oshinko), pickled ginger and steam broccolli.$25.95
Beef Yakiniku Don
Carefully selected premium beef, thinly sliced and grilled with our signature yakiniku sauce for a rich, smoky aroma. Served over fluffy Japanese rice with pickled ginger and onzen egg$17.95Chicken Chashu Don
Lean, premium chicken breast slow-braised in our house chashu sauce for a soft, delicate texture. Served over fluffy Japanese rice for a comforting, lighter-style donburi, and special sauce on the side$14.95Pork Chashu Don
Tender lean pork cooked slowly in our signature chashu sauce and placed over warm rice. Light, wholesome, and made with car. Serve with steam broccoli, pickled ginger and garnish with sesame, scallion. Serve with house chashu sauce on the side$14.95Tofu Katsu Don
$14.95Shiitake Mushroom Sukiyaki Don
Slice shiitake mushrooms gently braised in sweet soy sukiyaki sauce with onions. A plant-based comfort classic packed with bold umami flavor. Served with pickled ginger and slice cabbage. Garnish with sesame seed and scallion$17.95
Signature Handrolls
Golden Uni Handroll
Hand roll filled with fresh uni and crisp cucumber, topped with vibrant tobiko for a rich, ocean-fresh flavor. Served raw or undercook$13.95Kokoro Treasure Handroll
Grabbing handroll with spicy salmon and ebi, topped with ikura and fresh scallion for a bold, flavorful bite. Served raw or undercook$16.95Miyabi Handroll
Grabbing handroll filled with fresh hotate and crisp cucumber, topped with ikura and scallion for a clean, delicate flavor. Served raw or undercook$13.95
Signature Ocean Handroll
Hand roll filled with yours selected fish and crisp cucumber, topped with vibrant tobiko for a fresh, flavorful finish. Served raw or undercook$9.95Unagi Avo Handroll
Hand roll filled with grilled eel and creamy avocado, topped with ikura for a sweet and savory finish. Served raw Ikura$11.95
Sushi Nigiri Price Per 1 Pc
Ebi (Shrimp) nigiri
$4.95Hamachi Nigiri(Yellowtail)
This item serve raw or undercooked$4.95Squid Ika Nigiri
This item serve raw or undercooked$4.95Ikura Nigiri(Salmon Roe)
This item serve raw or undercooked$6.95Tuna Maguro Nigiri
This item serve raw or undercooked$4.95Salmon Sake nigiri
This item serve raw or undercooked$4.95Tamago Nigiri
Homemade egg omlet and come with sushi house special rice$4.95Tilapia Nigiri
This item serve raw or undercooked$4.95Tobiko Nigiri
This item serve raw or undercooked$4.95Fatty Tuna Toro nigiri
This item serve raw or undercooked$10.95Unagi (Eel) Nigiri
$6.95Sea Urchin Uni nigiri
This item serve raw or undercooked$12.95Aburi Wagyu Nigiri
This item serve raw or undercooked$12.95
Sashimi Price Per 1 Pc
Ebi (Shrimp) Sashimi
$4.95Hamachi (Yellowtail) Sashimi
The menu items serve raw or undercooked. Consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase your risk of foodborne illness. If you have a food allergy, please notify a staff member before placing your order$4.95Ika (Squid) Sashimi
The menu items serve raw or undercooked. Consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase your risk of foodborne illness. If you have a food allergy, please notify a staff member before placing your order$4.95Ikura Sashimi
The menu items serve raw or undercooked. Consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase your risk of foodborne illness. If you have a food allergy, please notify a staff member before placing your order$6.95Maguro (Tuna) Sashimi
The menu items serve raw or undercooked. Consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase your risk of foodborne illness. If you have a food allergy, please notify a staff member before placing your order$4.95Sake (Salmon) Sashimi
The menu items serve raw or undercooked. Consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase your risk of foodborne illness. If you have a food allergy, please notify a staff member before placing your order$4.95Tamago Sashimi
This is egg omlet homemade$4.95Tilapia Sashimi
The menu items serve raw or undercooked. Consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase your risk of foodborne illness. If you have a food allergy, please notify a staff member before placing your order$4.95Toro (Fatty Tuna) Sashimi
The menu items serve raw or undercooked. Consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase your risk of foodborne illness. If you have a food allergy, please notify a staff member before placing your order$10.95Unagi (Eel) Sashimi
$6.95Uni (Sea Urchin) Sashimi
The menu items serve raw or undercooked. Consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase your risk of foodborne illness. If you have a food allergy, please notify a staff member before placing your order$12.95
Shirumono(Soup&Noodle)
Kokoro Spicy Ramen
Our signature creamy pork bone broth infused with Kokoro’s spicy chili blend. Topped with lean chashu, marinated soft-boiled egg, bean sprouts, sweet corn, bamboo and nori. Flavorful bowl for true spice lovers. Contain undercook egg. (Medium spicy)$19.95Miso Ramen
Authentic miso-based ramen from Hokkaido. A rich, savory broth served with chicken chashu , bean sprouts, sweet corn, marinated soft-boiled egg, bamboo and nori, topped with a pat of butter for extra flavor. Contain undercook egg$16.95Miso Soup
$3.95Shoyu Ramen
Soy-sauce based ramen with a rich, savory broth. Topped with chicken chashu or veggies, marinated soft-boiled egg, crunchy bean sprouts, sweet corn, and fresh scallions. A comforting, well-balanced bowl of classic Japanese flavor. Contain undercook egg$15.95Tonkotsu Ramen
A rich, creamy pork bone broth simmered for hours to extract deep umami and silky texture. Served with lean chashu pork, marinated soft-boiled egg, bamboo, scallions, and nori. A hearty Hakata-style classic. Contain undercook egg$17.95Yakiudon
Stir-fried udon in Japanese, referring to the dish of thick, chewy wheat noodles (udon) stir-fried with vegetables, meat, and a savory sauce. Pickled ginger, scallion and nori on top$14.95Chicken Chashu Udon
Tender chicken breast chashu served in our warm shoyu broth with soft udon noodles — light, comforting, and crafted with care$15.95Garden Shoyu Udon
Soft, chewy udon served in our light shoyu broth with fresh seasonal vegetables — a clean, comforting bowl crafted with care for veggie lovers$15.95Pork Chashu Udon
Tender, slow-braised pork chashu served in our warm shoyu broth with soft udon noodles — rich, comforting, and crafted with care$15.95Spicy Chashu Udon
Soft udon in a warm, gently spicy shoyu broth, topped with tender chashu — choose pork or chicken. A cozy, flavorful bowl with just the right heat.(medium spicy)$17.95
Kokoro Curry Udon
Rich Japanese curry broth with chewy udon noodles. Choice of Chicken Katsu, Pork Katsu, or Tofu. Garnish with scallion and roasted sesame seed.$17.95
Desserts
Dessert
Kokoro Don Café Locations and Hours
6 Tremont Street
Open now • Closes at 3:59AM
66 Summer Street
Open now • Closes at 9PM

