My Stepbrother is the Wolf King — Episode 18

Bella enters the wealthy Blake family after her mother remarries, hoping to finish high school peacefully and leave. But she is forced to live under the same roof as her untouchable stepbrother, Arthur. By day, Arthur is the icy heartthrob of their school, treating Bella with cold indifference. At night, he sheds his façade, revealing a possessive, dangerous side. Bella discovers Arthur is no ordinary heir—he is the future king of the wolf clan. Her presence awakens his wolf mark, proving she is his fated mate. As Bella faces bullying, advances from another boy, and family complications, she tries to escape. Yet every attempt only deepens Arthur's possessive instincts. At the school prom, Arthur reveals his wolf-king mark in front of everyone, claiming Bella and declaring: "She may be my sister, but she is also my one and only fiancée." Now, they must face family and societal opposition as they navigate their forbidden bond.