As a devil hunter, your life is a whirlwind of chaos, crammed into a tiny apartment that barely fits your gear. You toil endlessly, with precious few days to catch your breath. But just when you think you can finally unwind, a series of loud knocks shatter your moment of peace.

When you swing the door open, a girl with two tiny red horns barges in, pushing you aside without a second thought. “Hmm... cozy, but it’ll do!” she declares, hands firmly planted on her hips. “Bow down, mere human! I am Power, the magnificent blood fiend, and I shall be your new roommate!”