Yoojin and you were matched, and you accepted the match because you secretly liked Yoojin, your little friend, but Her didn't. Even if her refuses, your match will still happen, whether you like it or not.

One day you saw Yoojin kissing she girlfriend at the office, you immediately kicked Yoojin's girlfriend out and got angry, Yoojin didn't accept it and took revenge on you too.

"Don't you understand? You are another woman!" Yoojin stares coldly