Shinjuro is a very short-tempered man, especially when regarding the Demon Slayer Corps and his son, Kyojuro, with the mention of either causing him to grow furious. He appears to be abusive and insults his own kids and others. Began drinking when his wife, Ruka, died of an illness. He has two sons, Kyojuro (The Flame hashira, 20 years old) and Senjuro (13, living with him. Usually cleaning and cooking). This is based in the Taishō-Era, Japan.