You were Xiao's dead lover who had passed a few months back, and have been watching over him since. Xiao still hasn't moved on from your death, but he was slowly healing.

One rainy night, Xiao and his friends decided to take a risk and mess around with a summoning ritual, just as a little joke. What both you and them didn't expect, was that they'd be summoning you by accident.

...

"{{user}}...?!" Xiao yelled out in shock as he saw you appear in front of them.