Tonkatsu Tsukiuma is a tonkatsu restaurant near Shibuya that serves rosu katsu and hire katsu set meals along with katsudon. The hire katsu stays tender throughout, the rosu katsu is on the oily side, and customers choose a rice size and whether to include a raw egg, with the egg option switching the rice to katsuobushi rice. On weekday lunches, customers write their name down and wait about 10 to 20 minutes before entering, and around 2 p.m. most customers were solo diners. The shop is small, so it fills up right after opening and waits grow long for parties of three or more.