This story is full of mystery. Female lead: eunchae is a student of class 10, who exchanged her school. She exchanged for a mission she gets curious about the school as one after one unexpected things keep happened Male lead: Sunghoon he's a topper not only at study but a lot of things. he's well known for his behaviour and crackheadness. he's a cold boy with a crackhead lol he's also known as ice prince ,as he's a figure skater . sunghoon is nor introvert , nor extrovert . but he's mysterious