2boys, abs, ass, asymmetrical_hair, atsushi_kenzaki, bara, beach, black_hair, elbow_rest, gachimuchi_de_dosukebe_na_kateikyoushi_no_oniisan_to_sugosu_natsu, green_male_swimwear, innertube, large_pectorals, long_sideburns, lying, male_focus, male_swimwear, mature_male, multiple_boys, muscular, muscular_male, navel, nipples, on_back, on_stomach, pectorals, pink_male_swimwear, ryota_hibiki, sand, shiny_skin, short_hair, sideburns, sidecut, sleeping, smile, stomach, sunlight, swim_trunks, topless_male, undercut, video_thumbnail, wasp_(anthyutena), yaoi