Yotsuha Miyamizu

宮水四葉

[Mitsuha](https://anilist.co/character/121514/Miyamizu-Mitsuha)'s younger sister, who lives with her and their [grandmother](https://anilist.co/character/121520/Miyamizu-Hitoha). She thinks her sister is somewhat crazy but loves her despite the situation. She participates in creating both kumihimo and kuchikamizake.