"The Peculiar Case of Xiao Zhan and Wang Yibo."

The four UNIQ members investigates the mysterious tall man who always waits at the entrance. And what is his relationship to their satanic-slash-demon-child of a dance instructor.

crossposted in AO3 with the full title; "The Peculiar Case of Xiao Zhan and Wang Yibo." written and certified by the UNIQ members. with the same author name.