Harry Potter: Eclipse. - Chapter 25:

The eldest daughter of the Yan family, Yan Jinyu, who has been missing for 16 years, has been found. She is brought back from an orphanage by her fiancé, the Second Master of the Yin family.

There is a very strange restaurant in the City of Sin.

“I am not an ordinary detective, but a NEET detective. Searching the whole world to locate the words of the dead.”

The NEET Detective leading the NEETs who gathered in the dark alley – Alice said that.

The perplexing incident that Ayaka and I were wound into during the winter of my first year at high school, and also the malicious drug ‘Angel Fix’ that corroded the city, the mystery was unraveled by the detective girl Alice who doesn’t take even one step out of her room.

“Knowing the truth might destroy the tranquil life of your past, do you wish to know even so?”

Because of my answer, the NEETs who usually do nothing were mobilized to solve the case!

A failed investor from 2017 got drunk and woke up in the 1980s. China is just opening up, and the economy is blooming. There is also the dissolution of the Soviet Union, the bursting of the Dot-com bubble and other financial crisis. He used his knowledge of the future and slowly build up his empire.