Posted on my pixiv page: https://www.pixiv.net/en/artworks/144045327
Illustrated Keine Kamishirasawa for the coming day of Shirasawa the 30th April which can be pronounced 4 = Shi, 3 = Sa, a circle = wa in Japanese, therefore it's "Shi (ra) Ref. https://dic.pixiv.net/a/東方キャラの日
