Absolute Value of Romance

By day, Eui-ju remains a reserved student; by night, she emerges as a budding romance author. Four captivating instructors become her muses: Woo-su, cool and aloof; Da-ju, animated and spirited; Gi-jeon, blunt and rugged; and Dong-ju, gentle and considerate. She threads them into her latest manuscript, which becomes a sensational hit overnight. But Woo-su, her enduring rival since day one, uncovers her secret. He proposes a bargain to safeguard it, and Eui-ju must navigate this perilous arrangement while striving to finish the manuscript unscathed.