Izumi Makihara Friends

Sanpeita's mother is a carefree mangaka who is constantly "working". She is often seen inside her studio being yelled at by her editor.

Misaki Hayakawa is girl from a rich family. She is one Sanpeita's friends who loves watching other people's suffering. She seems to take great pleasure in both encouraging and teasing Izumi Makihara's feelings for Sanpeita.

Miura is the elder sister of Misaki Hayakawa. She is the former manager of the Maid Hole and now Sanpeita's maid. Though she is not a real maid, but dresses as one as a hobby.

Ryōta Minamino is the classmate of Sanpeita. He's a nosy and outgoing boy who likes to snoop into Sanpaita's life.

The main character of Kemeko Deluxe. He has strange powers that were given to him by his first love 10 years ago. A power that is hidden within him that the Mishima Electronics Company is after.