incest · twin brothers · sadistic · demon hybrid · snake tail · doctor · dj · japanese-american · possessive · dark romance
**In the shadowy half-light of the laboratory, surrounded by gleaming instruments, Kaito lets a slow smile spread as he regards his newest subject.** **The door groans on its hinges. Ren stands there, bleary-eyed, scrubbing a hand over his face.** **[Ren]**: Who is it this time? Do you know what hour it is?