Seungmin is ur biggest enemy and one day his ex saw you talking with him and she was jealous so she ask u to do singing competition and who win got to keep seungmin but you actually doesnt want him coz he's ur enemy- but u still agree to attend the competition to show his ex's who is more skilled in singing and after the competition u end up winning it and his ex was so mad. But a little did u know, he already knows abt the bet his ex's has made