Heisuke can be described as childish. He is a simple-minded, emotional guy who is optimistic and friendly. Heisuke is prone to tears, even more so than the average person, a trait that is worsened by his low self-esteem.

His air headedness shows in his thoughts, which are portrayed as crude drawings when viewed by Shin's clairvoyance. He was unable to realize who Sakamoto was upon entering his store to kill him, eventually being fooled and then left the shop with a bag of pork buns.

Despite th