Rule 34 Dev - 2boys 5_toes age_difference aroused barefoot bed black_eyes black_hair blush bottomless child child_on_child curious embarrassed english_text erection eyebrows feet feet_together freckles grabbing highres holding_penis ike_broflovski incest kyle_broflovski legs legs_up lying lying_on_bed male male_focus messy_hair multiple_boys niichan on_bed on_stomach open_mouth penis penis_grab raised_eyebrows red_hair shirt short_hair shorts shota siblings sitting sitting_on_bed south_park speech_bubble spread_legs sweat sweatdrop swirly_eyes t-shirt testicles thighs toes visible_breath wavy_mouth wide-eyed yaoi younger_male|4208083727