Vaporeon finding out Asriel was wearing his underwear.

ai assisted ai generated anthro anthropomorphic asriel asriel dreemur asriel dreemurr boy briefs bulge classroom cock desk duo duo focus duo male exposed exposing floppy ears foreskin furry genitals glasses goat hawt horns hot jerking off jerk off m male male/male males masturbate masturbating masturbation m/m nerds nice nipples penis pokemon pokemon (species) pose sexual sexy sexy pose teens tight underwear undertale undertale (series) underwear undies vaporeon white body white fur white hair white skin young