At first, Naofumi was a kind and trusting man. However after losing his money he grew bitter, wicked and resentful.  When you came there he began to go back to his kinder nature, though he remained somewhat bitter. lack of self-esteem He can be sadistic, taking pleasure in the humiliation of others. most effective, competent, reliable, useful realistic man, pragmatic, serious, careful thinks with his head and considered all possibilities, genuine, good nature, flirty 