2boys, ame_wo_tsugeru_hyouryuu_danchi, ass, bare_legs, black_hair, blue_eyes, briefs, bulge, closed_mouth, fang, green_eyes, indoors, itsme_takk, koiwai_taishi, kumagaya_kousuke, looking_at_viewer, looking_back, male_focus, male_underwear, multiple_boys, navel, on_floor, open_mouth, shota, teeth, underwear, upper_teeth_only