1boy, 1girl, armpits, artist_logo, ass_visible_through_thighs, bikini, blush, breasts, cameltoe, chitanda_eru, couple, fingernails, green_eyes, hand_in_own_hair, hetero, hyouka, large_breasts, long_hair, male_swimwear, mery_(yangmalgage), navel, open_mouth, oreki_houtarou, purple_eyes, simple_background, stomach, swim_trunks, swimsuit, white_bikini