Reincarnated with a Military System in Another World - Chapter 142: Giving Everything They Have Got

One day a young man found a mysterious door in his grand father house and that door transported him to Tensura....welcome to the new world...all the credit for the characters and main story goes to the owners, this is just a fanfic none of the characters or the storyline belongs to me...Tensura won't be live until later in the chapters, so if you in a rush, you can quick rocks...

Levi Jackson is a brilliant criminal psychologist with a knack for reading people. He uses his twisted genius in making a name for his private detective agency ‘Jackson Detectives’ with the business motto of “No case is too insignificant, as long as you're willing to pay.”Presented with the case of a missing accountant, he is forced to seek the help of Guy’s Hospital resident genius, and Director of Forensics, Dr. Sam Gray.Join them in their adventure in solving different crimes and pissing people off along the way.

The ordinary world is not ordinary, ordinary people are not ordinary, and safe places are not safe.

This is a story of a passer-by male protagonist who is entangled by various girls with strange hobbies or even non-human beings while surviving in the cracks and opening a harem.

- Description from novelbuddy

The MC (Minato) is a college student who died in a plane crash and was reincarnated in a fantasy world. He was raised alone in the wilderness by his succubus mother, and now he tries to make his way as an adventurer.