ATOM-171 "I was surprised when I saw your face!? It was a complete mistake..." friend, his brother, his father), it's too late...

I had sex with someone I should never have sex with... On a hot spring trip with a couple of classmates... Drinking at home with a couple of best friends... Half asleep with his father... When I attacked him while he was sleeping, it was his brother! By the time I realized it, it was already too late! I've got an erotic switch and I can't stop anymore... I'm really sorry.