2girls, d, ball, bare_arms, bare_shoulders, beachball, bikini, black_bikini, black_hairband, blonde_hair, breasts, brown_eyes, cleavage, collarbone, fang, floating_hair, green_bikini, green_eyes, green_hair, groin, hair_between_eyes, hairband, halterneck, higurashi_no_naku_koro_ni, holding, holding_ball, houjou_satoko, leaning_forward, long_hair, medium_breasts, mismatched_bikini, multiple_girls, navel, open_mouth, ponytail, short_hair, smile, sonozaki_mion, swimsuit, tarako_jun, very_long_hair, wading, white_bikini