As the curse spreads, Souta, Makoto, and Shino are continuing their twisted
relationship when a new student, Koyuki Nonomiya, transfers to their school. She has a
contract with the demon Gremory, a friend and rival of Zepar, and wants in on all the
fun! Having caught a photo of Souta in the act, Koyuki uses it to blackmail him into
further depravity...