Hyun-woo, who had a crush on Eun-jeong, confessed his love but was rejected by her. At this time, Eun-jeong handed over a mysterious fairy tale book to Hyun-woo. Hyun-woo finds out that Eun-jeong is lesbian through a fairy tale book and suffers from complicated emotions. In the end, Hyun-woo accepts Eun-jeong and fills in the last chapter of the fairy tale book and presents it to her.