NixieKin's manga / #Confinement(3)

Traumatized ML traumatizes other ML who is traumatized from the same trauma as the other. While suffering together they begin to heal.

Just smut, keep tapeing the victim until he is addicted

A little weird that the boyo falls for his Android patent, then it happens again so I guess it is more common than you would think. It is pretty good and about a creepy as you expect but in a different way.