Botan Arisaka is a female supporting character of Ao no Kanata no Four Rhythm. She is the mother of Mashiro Arisaka. Botan has purple eyes and light gray hair, she always has a head cap. Underneath the white apron she has a small green dress with black short pants. Botan is most of the time happy. When people cheer for her daughter, she is overjoyed and then gives them a free udon. (Source: Ao no Kanata no Four Rhythm Wiki)