창문 밖이 무서웠을 때 (Changmun Bakki Museowosseul Ttae)

Changmun Bakki Museowosseul Ttae is a song sung by SeeU Kim and UNI. It is the two-hundred-and-eighty-fourth track in Other Vocaloid Songs 80: Over 20 New Vocaloids Volume 3.