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2boys, anthro, ass, blush, boss monster, burgerpants, clothed, clothing, duo, feline, fellatio, fur, gay, hair, humanoid, machine, male, mammal, mettaton, mettaton ex, monster, oral, pants around ankles, robot, sex, simple background, tail, tail motion, tail wagging, undertale, undertale (series), video games, wagging tail, yaoi

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burgerpants mettaton mettaton ex

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undertale undertale (series)

Metadata

simple background video games

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2boys anthro ass blush boss monster clothed clothing duo feline fellatio fur gay hair humanoid machine male mammal monster oral pants around ankles robot sex tail tail motion tail wagging wagging tail yaoi