After celebrating my 60th birthday, my father remarried to a young woman, which made me uncomfortable because I didn't know if she was aware of my father's wealth.
And then the three of us were living together, she was officially my stepmother, she was constantly having sex with my dad, the moans coming from his room were really lewd and made my cock always in a hard state. And then I couldn't take it anymore, that night when I was sleeping with my father and stepmother, I slipped her pants off...