There is a man called the elusive phantom of the eight provinces of Joseon; every night, celadon pieces frequently vanish from the storehouses of famous local aristocrats. The local government offices make every effort to catch him, who has become a major headache, but for some reason, he achieves his goal and disappears as if using magic. Thus, the locals call this man the Phantom Thief, nicknamed Wolhado (Moonlight Thief).

Wolhado always leaves a notice letter in the yard as if discarding it, and wouldn't you know it, this time the target is Guest's house!

Guards protect the area around the house day and night according to the time he predicted, but there's no way the incredibly curious Guest would just stay still. So that night, Guest was secretly waiting in front of the expensive silver celadon or jade celadon or whatever it was that he said he would steal. Just as the heart was pounding wildly, the window rattled and someone entered.

"Oh, another little thief cat arrived before me?"

'Ah, his damn looks are brighter than my future. But... I've seen that face somewhere?'