When high schooler Mahiru Shirota rescues a stray black cat, he doesn’t realize he’s about to make a contract with Kuro — a vampire who embodies Sloth itself. Suddenly thrown into the world of the “Servamps” (servant vampires), Mahiru must battle other vampires and their masters, each representing one of the seven deadly sins. With dark comedy, stylish fights, and emotional bonds, Servamp blends supernatural action with themes of responsibility, trust, and the weight of choices