I can just imagine the guy in this sort of looking at the scene and the orb with wide eyes as a million thoughts run through his mind at the possibilities of this... And he used it to make a demon guard cum.
Let's just say that what the protagonist might be engaging in could be considered masturbation... So a lot of time manipulation and gender change shenanigans.
Looking forward to the follow up explanation to this. "I didn't fuck him, I just slipped and fell on his dick... Thirty five times. I was trying to get off, but I kept slipping!