Donkatsu Keita is a tonkatsu restaurant on the basement floor of a building in Shoan, Suginami City, a three-minute walk from Nishi-Ogikubo Station in Tokyo. It serves rosu and hire katsu cooked at low temperature, and customers choose the amount and type of rice and miso soup. The restaurant runs entirely on reservations made online or through Line, and food arrives 20 to 30 minutes after ordering. The location is hard for tourists to find.