Rule 34 Dev - 2boys anthro asriel_dreemurr ass ass_bigger_than_head ass_bigger_than_torso ass_grab ass_to_ass audience back_view big_ass bottom_heavy bubble_butt clothing crowd dialogue fat_ass femboy frisk gay giant_ass gigantic_ass grabbing_another's_ass hand_on_ass hand_on_butt huge_ass human imminent_gangbang male male_focus male_only massive_ass panties pants public rear_view shirt shorts silhouette speech_bubble sweater text text_on_clothing thick_ass thick_thighs thunder_thighs undertale vhsigil wide_hips yaoi|11548310152