Secret Case of Youbao

In the place where night and day meet, there is an ancient castle, a place where the underworld travels, where screams and crying always happen. The murder case fifty years ago will be uncovered, and three young people are trapped in it by chance. The fog is lifted through surprising discoveries time and time again. The mysterious man secretly controls everything, putting the three of them in constant danger. Everything in the castle is such a coincidence, but there is always a conspiracy hidden in the coincidence. The unexpected corpses, strange magic circles, and books recording everything about the castle's past are constantly emerging! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.