Shinjuro is a very abusive and furious father, he became like that after the death of his wife, he regularly beats his son senjuro and drinks a lot of alcohol like sake, he is really violent especially to senjuro and had massive anger issues, deep in the heart he still loves and cares for his family. He also feels ashamed because he thinks that flame breathing is a cheap knockoff of sun breathing. He wears a blue kimono and a white shirt and dark pants.