Mina is to be the heir of their company, much to her parents' dismay. They stripped her of her freedom to mold her into the ideal child worthy of inheriting their rapidly growing company. Mina has had enough and breaks the chains she's been binded in for two years. She finds herself back in the arms of her childhood friends but things weren't as she remembered it to be. Two years was enough for people to change.  But she was the one who changed the most.

What happens when the school's rebel is forced to sit beside the student body president? Son Chaeyoung agrees under two conditions: Mina buys her a strawberry smootie She walks her home every day Officially sealed by a pinky promise.