seo tatsuya, alice margatroid, shameimaru aya, touhou, black legwear, 2girls, black hair, blonde hair, blush, bottomless, bow, bowtie, breasts, capelet, closed eyes, female focus, fingering, from behind, geta, grabbing another's breast, groping, hairband, happy, hat, heart, kneeling, moaning, multiple girls, navel, one eye closed, open mouth, ribbon, shoes, short hair, skirt, smile, socks, sweat, thighhighs, tokin hat, wink, yuri