Why Am I Hearing His Voice?

After hearing what Soo Ji said, Tae Hee is more and more disappointed at Si Hyun. However, she can't help but think about him. On days when he is not around, she misses him. While talking on the phone with her dad, Tae Hee realizes that although she has confessed her feelings to Si Hyun, he has never replied back. Heartbroken, she decides to end their relationship.