Diamond no Cat

A spinoff of Ace of the Diamond, this lighthearted story follows Sawamura and his roommates after they unintentionally take in a cat. As they navigate feeding and caring for the animal, they face the challenge of hiding it from dorm rules that prohibit pets. Despite the difficulties, they continue to keep the cat a secret, unable to resist its charm. The narrative explores their efforts to balance these responsibilities while maintaining their lives in the dormitory.