Rule 34 Dev - 2boys 4boys abs age_difference ass_visible_through_thighs balls barefoot big_head black_eyes black_hair blurry_background blush bulge bulge_through_clothing censor_bar censored censored_penis collarbone duo erect_nipples eyelashes feet folded_leg foreskin fundoshi fundoshi_only gay half-closed_eyes hand_on_floor hand_on_knee height_difference hi_res indoors japanese_house kneeling komorebi looking_at_another lying lying_on_back lying_on_floor male/male navel offscreen_character original original_character pecs rokushaku_fundoshi shadow short_hair size_difference sliding_doors slim soles spread_legs sweat sweatdrop tatami toes topless twink uncut white_fundoshi yaoi young|13893948496