Sean Horton is on the train home when a beautiful woman suddenly falls into his arms. Her lips are cherry red, and she smells delectable.Sean is aroused. He later discovers that she's the blind date he turned down for being too materialistic and fickle-minded. She thinks she can do anything because his family owes her a favor.From that day on, Sean can't stop thinking about her. He can't sleep at night.…Wendy Stowell has transmigrated into a book—she's taken on the role of an evil, scheming side character.The original Wendy has too many inkblots on her reputation to clean, so Wendy has no choice but to focus on getting into college and avoiding Sean. Yet Sean bosses her around, controls her, and educates her.One day, he comes to her with the letter she wrote to her family, informing them she has a boyfriend. He pins her to the wall, his gaze almost crazed as he says, "You're not allowed to date anyone, Wendy. Even if you wanted to date someone, that someone can only be me!"