Spirit User

There are three kinds of beings in the world: humans, ghosts, and spirit users.

Spirit users have abilities beyond those of ordinary people. From the moment they are born, they bear the task of capturing ghosts, and the Special Investigation Bureau was established for that purpose.

Sheng Yushu: Want me to join? Let's hear what I get out of it.

Yu Yan: Who cares?

Then a letter arrived from the Underworld, insisting that Sheng Yushu enlist.

Yu Yan: ...Just let it all burn.

A flirtatious, smooth-talking fox spirit top x an indifferent bottom who eventually goes OOC

Theme: Strive to be a good young citizen