Anzu Ehara - 江原杏子

[Mitsuko's](https://anilist.co/character/374511) younger sister who she always strives to be like. Her painting of Mitsuko nude *(drawn from imagination)* won the school art competition and was hung at the school entrance all year. *Note: The manga translates her name as "Anzu", the anime translates her name as "Kyoko"*