It's about a yandere phantom thief named Kaitou Spade or known as King Spade who is a new student to Phantom Thieves High School. He met his first crush and his new enemies. Later, he found out that his brother or known as his housemate, Dump, acting weird after seeing Spade being close to Joker. What is happening? Find out what happened in "My King Is A Yandere"