Kyousuke Yotsuya - 四谷恭介
About
[Miko's](https://anilist.co/character/139631) younger brother. Kyousuke is a young boy with short black hair. He is very protective of Miko, even going far enough to assume she has a boyfriend to be wary of.
[Miko's](https://anilist.co/character/139631) younger brother. Kyousuke is a young boy with short black hair. He is very protective of Miko, even going far enough to assume she has a boyfriend to be wary of.