3boys, abs, akiba_hiro, bara, beach, blue_sky, brown_hair, camp_buddy, green_eyes, kurohitsuji_lim, male_focus, multiple_boys, muscular, muscular_male, nagame_keitaro, nipples, orange_eyes, orange_hair, outdoors, purple_eyes, purple_hair, sand, sky, summer, topless_male, water, yaoi, yukimura_yoichi