Using rope, wires, cuffs, or just about anything either character has to tie their partner up. Also cool with someone tying up Hei too.

Already comes with his own outfit with a mask when he changes into The Black Reaper. Up for any kind of outfit.

Rooftop smut comes to mind, but also okay with wandering eyes and such. Even cool with someone recording him and his partner, or them doing it for a private video later.

Shameless fucking without restraint, either to get a kid or just due to some intense need