- "Think I need someone older...just a little bit colder.." IN WHICH, a bold heiress determined to inherit her father's company after his passing, signs a marriage contract with an inspector working as a professor who lost his wife because of her students. Or IN WHICH , Na Hwajin learns to love again when he meets Jeon Hera. Teach You a Lesson Na Hwajin x fem!oc written by seraversee