Orphan Liam is raised by the powerful Castell family with 109 capable sisters. Hiding his background as a scholarship student, he suffers brutal school‑bullying from rich kid Kai and his father. After endless tolerance, his sisters show up to protect him. They defeat villains’ frame‑up and online smear. The eldest sister Vera confesses her long‑hidden romantic love for Liam, and they get engaged waiting for his graduation.
