Oto Adashino

Оригінальне ім’я: 化野乙

[Ren's](https://anilist.co/character/309910/Ren-Adashino) younger sister who attends an all girls' school. She is initially distrustful of [Sumireko](https://anilist.co/character/296535/Sumireko-Ogawa) and is weak to sweets.