Seattle · Donburi · casual
Onibaba by Tsukushinbo
Japanese onigiri and donburiSuccessor to TsukushinboJapantownSecond-generation Japanese-AmericanOnigiri
Opened in 2023 as the spiritual successor to the beloved Tsukushinbo (1993–2022), Onibaba is run by second-generation Japanese-Americans Marin and Sho Caccam — children of Kawasaki-born founder Masayoshi Caccam. The menu centers on handmade onigiri, ochazuke, donburi, and Japanese curry.
- Price
- ¥¥
- Area
- Chinatown-International District / Japantown
- Since
- 2023
- Chef
- Sho Caccam
- Owner
- Marin Caccam

Plate № 83
About
Tsukushinbo operated in Seattle's Japantown for nearly 30 years under founder Masayoshi Caccam, who was born in Kawasaki, Japan. When the original restaurant closed in 2022, his children Marin and Sho stepped in to honor the legacy with Onibaba in 2023, located in the same space. Sho Caccam leads the sushi counter while the menu focuses on handcrafted onigiri (yaki onigiri, tuna mayo, unagi, ebi mayo), ochazuke, donburi, agedashi tofu, and curry. The restaurant operates without reservations and draws consistent queues from Japantown regulars who cherish the family's three decades of community stewardship.
Why it's on Washoku Guide
- Continuation of Tsukushinbo's beloved 30-year legacy by the Japanese founder's own children
- Handcrafted onigiri in multiple styles — among the most authentic in Seattle's Japantown
- No reservations needed — a genuinely accessible, community-rooted Japanese restaurant
- Second-generation stewardship that honors a Kawasaki-born chef's lifetime of Japanese culinary craft
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