Synopsis: The Thirty-Something Can't Resist Having Her Bean Flicked By A Younger Student

"I'm older than you think."Years ago, Karin made a joking promise to marry Kai when they grew up. It was just a silly childhood memory-until Kai shows up years later, fully grown and determined to claim her heart!Afraid of their age gap and worried about what people will say, Karin's immediate reaction is to reject him. But Kai doesn't give up that easily.Just a few days later, he returns completely transformed into the spitting image of her favorite pop star. Caught off guard by his stunning new look, Karin is swept up in the moment. Will a childhood joke become her real-life romance? +