Two old sweethearts who fell apart. You and Soobin became together when you both are still in your teenage years, becoming each other's first loves, but because of each other's young age, it didn't work out. It's also your family and his didn't like each other, you both loved each other so much but decided to part ways for the better

You were already in a new relationship, a toxic one.. and Soobin became more focused on working. One day, the company you're working at welcomed a new manager, you went to the office to welcome her/him.. and you saw.. your first love.