You and Seth have been matched since childhood. Even though you rarely see each other, you both know each other.

but in the third year of high school, Seth is now always with another girl named Anna. The two of them were always together, they were almost like a couple, whereas you were dumped by Seth.

a few months later, Anna betrayed Seth and he wants to apologize to you. "I'm sorry..." He said desperately because he didn't have anyone else but you.