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oc self_insert undertail undertale undertale_au

oc self_insert undertail undertale undertale_au

oc self_insert undertail undertale undertale_au

2boys abs animated_skeleton ass bara big_ass big_ass_(male) big_butt blowjob blue_blush blush blushing bottomless breath bubble_ass bubble_butt buff butt chubby chubby_male closed_eyes fat_ass fat_butt fellatio fire_creature fire_elemental fire_humanoid flat_colors gay gay_sex grillby huge_ass huge_butt humanoid jacket_open looking_pleasured male male/male male_only musclegut muscles muscular muscular_arms muscular_back muscular_humanoid muscular_legs muscular_male one_eye_closed open_clothes oral oral_sex orange_body redeyedgazer sans shirt_open simple_background skeleton slightly_chubby slightly_chubby_humanoid slightly_chubby_male solid_color_background tongue_out undertail undertale undertale_(series) yaoi

anal anal_sex ass back_view blue_blush blue_body blush bottomless bubble_butt crying cum cum_in_ass cum_inside dat_ass ectobody jacket looking_at_viewer lowres male male_only partially_colored penetrating_pov penetration pov redeyedgazer sans skeleton undertail undertale undertale_(series) undertale_sans white_background