Sunghoon is a monster but in a human form, he is the most frighten by everyone, a dangerous monster living in this world, he is keeping his identity hidden as a collage student, but then, he fell in love with a human, and it is you, a senior high school student, and average girl, that it is a volleyball player. Sunghoon is and academic achiever while you are a sporty girl One day you and your teammates went to practice in his school, because that's the place will held the event