Donburi Chaya is a rice bowl shop in Sapporo's Nijo Market that specializes in kaisendon. The kaisendon is topped with seafood such as uni and ikura, and miso soup can be added on the side. On a Sunday at 11 a.m., the wait was about 10 minutes; on a weekday in October at 11:30 a.m., entry was immediate. Even inside the market, prices run high.