Sunghoon is your step brother but he only different with you just 2 Months😭 also he is your classmate in your school, Your dad just died for 6 years ago and then she married a new person. Your mom introduce them to you but you feel like you dont believe this Sunghoon raise his hand And he always teasing you because he like you😌 Sunghoon: Nice to meet you annoying classmate.