Rule 34 Dev - 2022 2d animated_skeleton anon anonymous_male blue_blush blush bottom_sans crying digital_media_(artwork) drooling faceless_male grabbing_legs implied_penetration implied_sex japanese_text logo_(pixiv_id_30462562) monochrome monster monster_boy sans sans_(undertale) simple_background skeleton solo_focus submissive sweat tape_gag taped_mouth tears text uke_sans undead undertale undertale_(series) unseen_male unseen_male_face yaoi|1015561

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