- The musical piece was composed by Jung Hyunsoo who gave it as a gift to Kang Mi Hee
- It is a song that Yoojin loves.
- Joonsang played this song exceptionally well during piano practice with Yoojin.
- Joonsang records this song on a tape and gives it to Yoojin as a gift for Christmas during their high school days.
- Claude also played this piece as a fan for Kang Mi Hee and "miracle" for the reunion of his family.