2boys, abs, air_bubble, aqua_hair, bara, bare_pectorals, blue_hair, blue_theme, bubble, couple, dark_blue_hair, fish, freediving, french_kiss, gakuran, gradient_hair, itto_(mentaiko), kiss, long_sideburns, male_focus, multicolored_hair, multiple_boys, muscular, muscular_male, nipples, open_clothes, open_shirt, original, pectorals, school_uniform, short_hair, sideburns, toned, toned_male, tongue, tongue_out, torn_clothes, underwater, yaoi