Rule 34 Dev - 1boy 2d ahe_gao barefoot blush brown_hair cum cum_shot dildo dildo_penetration dildo_sitting femboy frisk gloves human human_male human_only leash male male_only navel nipple_tape open_mouth penis sitting_on_dildo solo stomach_bulge thousandarms transparent_background undertale undertale_(series) x-ray yellow_skin|4541415784