Quote Originally Posted by MFauli View Post
But I don't get it. Keyaru made her stronger, that much is a fact, right? So does he truly have some power up-semen or was the whole sex act just him bullshitting Setsuna? If it was bs, why did she get stronger?
It was explained in the first episode that his sperm powers up people that receive it. That's why so many people raped him.

He even complained about the men that fucked his ass even though that gave them no powerup.