A sexually free lady from space investigates earthlings for mutual understanding.
On her planet, being able to shoot multiple times in a row is normal, the general thought is that having sex and enjoying it is good, he has no idea, so it's not his fault.
There's a really nice looking set we don't have here yet I hope we get, with the alien chicks in bodysuits milking a guy. His pixiv has a big preview of it here: