My dad's mistress is my busty tutor (Nina Kitano HMN-150)

My tutor, Mina, is my dad's mistress. She secretly watches him having sex during breaks in class. Just as I was peeking at them… my eyes met hers. She… lewdly let me watch her having what looked like pure, unprotected sex. I became incredibly aroused with Mina. Later, she seduced me, my heart pounding in class, and used incredibly lewd oral sex to make me ejaculate, promising to pretend we didn't know about her relationship with my dad…