ass barefoot bikini blue_eyes blue_hair bow breasts cleavage frilled_bikini frills front_ponytail green_eyes green_hair groin hair_bobbles hair_bow hair_ornament hair_ribbon hat heart heart-shaped_pupils kagiyama_hina kawashiro_nitori kneeling medium_breasts multiple_girls ribbon star striped striped_bikini striped_swimsuit swimsuit symbol-shaped_pupils tamichan touhou