Xbooru - 2boys 2d 2d (artwork) animated skeleton big dom small sub bigger dom bigger dom smaller sub bigger penetrating bigger penetrating smaller bottom sans closed eyes clothed clothed/nude clothed male completely nude completely nude male digital media (artwork) elemental creature elemental humanoid eli-sin-g fire elemental gif glasses grillby grillsans humanoid kolesjoie larger male larger penetrating larger penetrating smaller lying down lying on back male male penetrated male penetrating male penetrating male missionary position monochrome monster monster boy nude nude male penetration rectangular glasses 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 tears thrusting top grillby uke sans undead undertale undertale (series) video game character video games white background yaoi | 1013941

2boys 2d 2d_(artwork) animated_skeleton big_dom_small_sub bigger_dom bigger_dom_smaller_sub bigger_penetrating bigger_penetrating_smaller bottom_sans closed_eyes clothed clothed/nude clothed_male completely_nude completely_nude_male digital_media_(artwork) elemental_creature elemental_humanoid eli-sin-g fire_elemental gif glasses grillby grillsans humanoid kolesjoie larger_male larger_penetrating larger_penetrating_smaller lying_down lying_on_back male male_penetrated male_penetrating male_penetrating_male missionary_position monochrome monster monster_boy nude nude_male penetration rectangular_glasses 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 tears thrusting top_grillby uke_sans undead undertale undertale_(series) video_game_character video_games white_background yaoi

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