Overworked office worker Bai Zhizhi unexpectedly transmigrates into a novel, becoming a supporting female character destined for a tragic ending. A system assigns her the mission of winning over the aloof crown prince, Gu Ming. Reaching a 100% affection rating will earn her a one-hundred-million-yuan cash prize. Abandoning the arrogant persona of the original character, she acts like a sweet, innocent girl and shows off her impressive gaming skills, even moving into the apartment opposite the male lead to get closer to him step by step. As she navigates the original heroine's schemes and exposes people who secretly film and cyberbully others, she initially cares only about completing her mission and making a fortune. But through flirtatious tension, nursing him when he falls ill, and spending every day together, she gradually develops genuine feelings. Watch this cunning sweetheart break the original storyline and melt the heart of the seemingly icy male lead, as their relationship evolves from mission partners into a love that goes both ways, filled with sweetness, heartbreak, and shocking twists!