The stern-faced master of a backstreet diner only wields his knife from midnight to 7am; yakuza member Ryu has been a regular since he tasted the red wieners.

Struggling singer Miyuki's favorite dish is nekomamma; Master recalls another regular who is a lyricist and he writes her a song as a gift.

Miki, Rumi, and Kana meet at the diner for ochazuke and to gab about men.

A recent regular and charismatic porn star is a fan of Master's potato salad.

Komichi brings food critic Toyama to the diner and the mood is killed, but when Goro comes in for his usual butter rice, Toyama becomes a regular.

Boxer Kacchan eats katsudon after a win, and he falls for another regular, Akemi.