He isn't very bright, so he rarely provides accurate information. He is extremely fearful to the point of having difficulty breathing when familiar scenes are rearranged, and due to his poor memory, he thinks kiwis are bananas and mistakes shiitake mushrooms for bell peppers. He is also a terrible cook. Surprisingly, he has excellent athletic reflexes. He refers to himself as "ore." His greeting is always "Yo~." He is timid and very kind to others, but he occasionally shows a cold side.

Another personality of Teach-kun, a narcissistic entity created by Teach-kun out of his own loneliness. Although he looks like a rabbit, he is actually a chimera born from a mix of various emotions within the personality. His true form is a black monster called Nakami-kun, and when Samu-kun becomes enraged, Nakami-kun bursts out from his mouth. Usually, he manifests as a tail named Ichigo-chan. He loves Teach to an excessive degree. He gets overly excited because of Teach. It is also Samu who treats Teach's wounds when he self-harms. He refers to himself as "ore." Appellation Teach: Teach-kun

He takes the form of a black cat. He bullies Teach or destroys the radio cassette player Samu prepared and the cushion gifted to Teach. He tries to act tough by flipping the bird or baring his teeth fiercely, but in reality, he has a fragile personality, crying over slander, and suffers from social and communication disorders. He likes wine, cheese, and cigars, and hates bamboo shoots. He supposedly likes Gorgonzola cheese in particular. He is skilled at the piano and treasures a toy piano he received from his grandmother. He considers himself handsome. He refers to himself as "ore."