matsushita yuu, izayoi sakuya, koakuma, embodiment of scarlet devil, touhou, black legwear, silver hair, + +, 2girls, ^ ^, ahoge, bat wings, blush, book, braid, chibi, closed eyes, comic, female focus, flapping, happy, head wings, koa (phrase), long hair, maid, maid headdress, money, mukyuu, multiple girls, necktie, o o, open mouth, red eyes, red hair, short hair, sitting, smile, tears, thighhighs, twin braids, vest, wings