Shin Sugisaki (杉崎真) Kyou's friend who helps Honoka out in raising Mao-chan as a substitute father role. Stubborn at times but cares and protects both Mao-chan and Honoka. He seems to have a romantic feelings for Honoka but it's still unknown, and in Episode 17 he got mad when Honoka told him that she is trying not rely on him anymore so he said that if she didn't rely on him he gets lonely. Kyou's friend who helps Honoka out in raising Mao-chan as a substitute father role. It is revealed that he is afraid of getting shots.
Upon his first appearance in the anime, he is portrayed to be a sort of rude or abrupt person who gets angry very easily. As he becomes more prominent in the anime, he is actually shown to be caring and reliable with more trust. He is also revealed to be a loner. Around Mao-chan, however, he is a cheerful, easily excitable father who is happy to do anything with him. He can be stubborn and a bit hardheaded, but he is a loyal friend whose trust is a valuable asset to his friends - this is typically shown when he is seen protecting Honoka from people like her school bullies or Itsuki-kun.
He has messy dark brown hair that extends up to his neck and dark brown eyes. He is very tall and almost passes Honoka by a head.
His casual clothes are a white with blue stripes T-shirt underneath a yellow hoodie and dark brown pants. He attends the same school as Honoka is seen wearing the school's male uniform. Sometimes, he is seen wearing an alternative outfit similar to his school uniform but in a colour scheme of yellow and brown as opposed to blue.