A math teacher at the Osaka's Gyoshin Private High School. As a teacher, he's beloved by his students. He used to be in a comedy duo known as "Dotsuitare Hompo", but because of a traumatic event, to this day, he developed a crippling stage fright and became unable to speak well in front of large crowds. He was raised by a strict mother who expected a lot from him, which made him unsure of himself and his abilities. He gives the impression of a stern and intimidating person du