Irene is a sasaeng! She gies to school with D.O. Irenehas a massive crush on him.She loves him soo much, but D.O. feels differenly. He thinks that she's a creep, a stalker, and mental woman! Suddenly, D.O.'s parents die and he becomes devastated. Irene's family lets him stay with them for a while. Irene is excited about this until she overhears her parents thinking about adopting him, she decides that she can't let that happened! If they are siblings, they can't be together!!