Mukai

Kaisen Tokoro Mukai is a seafood rice bowl restaurant in Tokyo that specializes in kaisendon. It sits in a residential area of Tomigaya in Shibuya, closest to Shinsen Station and also walkable from Shibuya Station. Menu item 4 includes salmon roe, and after eating part of it you can pour in katsuobushi broth to finish it as ochazuke. The space is a converted Japanese house, opens at 10:45 AM, takes cash only, and waits run around an hour; after 11:40 AM it sells out and stops taking waiting customers.