Xbooru - 2010s 2017 2boys 2d animated skeleton bottom sans clothed clothed male clothing digital media (artwork) domimant domimant male duo elemental creature elemental humanoid fellatio fire elemental grillby hand on another's head hand on head head grab heart-shaped pupils heart eyes hisuivirus hooded jacket hoodie humanoid irrumatio jacket larger male larger penetrating larger penetrating smaller line art lineart male male/male male only male penetrated male penetrating male penetrating male maledom malesub monster monster boy oral partial male penetration penis penis in mouth sans sans (undertale) seme grillby sex simple background skeleton small sub small sub big dom smaller male smaller penetrated smaller sub smaller sub bigger dom submissive submissive male top grillby topwear uke sans undead undertale undertale (series) unseen male face upper body video games white background yaoi | 1035652

2010s 2017 2boys 2d animated_skeleton bottom_sans clothed clothed_male clothing digital_media_(artwork) domimant domimant_male duo elemental_creature elemental_humanoid fellatio fire_elemental grillby hand_on_another's_head hand_on_head head_grab heart-shaped_pupils heart_eyes hisuivirus hooded_jacket hoodie humanoid irrumatio jacket larger_male larger_penetrating larger_penetrating_smaller line_art lineart male male/male male_only male_penetrated male_penetrating male_penetrating_male maledom malesub monster monster_boy oral partial_male penetration penis penis_in_mouth sans sans_(undertale) seme_grillby sex simple_background skeleton small_sub small_sub_big_dom smaller_male smaller_penetrated smaller_sub smaller_sub_bigger_dom submissive submissive_male top_grillby topwear uke_sans undead undertale undertale_(series) unseen_male_face upper_body video_games white_background yaoi

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