"I was wondering...how are babies made? Please teach me." You become the tutor to a pure succubus schoolgirl, and you're tasked with teaching her about the important things in life, like how to impregnate a client.
You're supposed to be this succubus' tutor, but she has noticed the huge erection you get around her, and she's much more interesting in learning about the pleasure of dick. Enjoy the sensation of impregnating your naughty student!
"Stop right there, middle-aged man!" "I'm JK police Sakura, and I'm gonna need you to come with me for questioning". Welcome to a world where men are few, and those that remain are endangered, and must stay under custody.