B-Prison Unchain

One night in the demon world, a thief sneaks into the castle of the Demon King, seeking to steal treasure. However, the thief accidentally unleashes a legendary incubus by the name of Asmodeus. It is now Misa's duty, as the faithful soldier under Demon King Gilad's command, to protect the realm and Lord Gilad's power over the kingdom from Asmodeus's cunning schemes. Misa corners Asmodeus but Gilad stops her before she is about to obliterate him. Now Misa has to infiltrate Chastity Rock, a prison for succubi, and track down Asmodeus who uses his shape-shifting and absorption powers to stay hi(Storyline via IGDB)