Yuki Yoshida

He is a childhood friend of [Mafuyu](https://anilist.co/character/136844/Satou-Mafuyu). ~!He is Mafuyu's ex-boyfriend, who died one year from an apparent suicide prior to the events of the series. He played guitar in a band with [Hiiragi](https://anilist.co/character/167930/Hiiragi-Kashima) and [Yagi](https://anilist.co/character/167938/Shizusumi-Yagi).!~