Sweet & Kats is a donkatsu restaurant near Children's Grand Park Station in Gwangjin-gu, Seoul, serving unlimited refills of tongdeungsim donkatsu and cheese donkatsu. The meal also includes around 30 other items such as fish cutlet, potato croquettes, and tteokbokki. Donkatsu is fried in small batches as customers arrive, and janchi noodles, fried rice, and soup are also prepared. The interior is small and the tables are on the smaller side.