1boy, 1girl, amagami, apron, arms_behind_back, black_hair, black_one-piece_swimsuit, blush, breasts, closed_mouth, competition_swimsuit, embarrassed, faceless, faceless_male, medium_breasts, multiple_views, nanasaki_ai, one-piece_swimsuit, open_mouth, purple_eyes, serizawa_(serizawaroom), short_hair, swimsuit, tachibana_jun'ichi, waist_apron