Shu Sakamaki is one of the main characters in the anime series Diabolik Lovers. He is the eldest son of the Sakamaki family and the current head of the household. Shu is known for his apathetic and lazy demeanor, often preferring to listen to music rather than engage in family affairs or conflicts. Despite his indifferent attitude, he is highly intelligent and possesses a deep understanding of his surroundings. As a vampire, Shu is powerful and has a complex relationship with the protagonist, often revealing a more caring and protective side when necessary.