2girls, amagami, ass, black_eyes, black_hair, black_one-piece_swimsuit, bob_cut, breasts, brown_eyes, closed_mouth, competition_swimsuit, covered_navel, eating, food, from_behind, looking_at_viewer, medium_breasts, mori_heichi, multiple_girls, nanasaki_ai, one-piece_swimsuit, ponytail, popsicle, racerback, short_hair, smile, swimsuit, tsukahara_hibiki, two-tone_swimsuit