Guns and Coffee in the World of Science

Many female protagonists, beware! (It's probably a daily story, mainly about a killer who retires in the world of science) Chen Shuo, the ace of the mainland hotel, finally decided to retire, but ended up traveling to the world of science. Chen Shuo: Huh? ? ? I still have to retire, and I have to retire, but... I still have to take on extra work, but now I'm a freelancer!!! PS. Please note that this book has a lot of OOC, is extremely unfriendly to Conan, and has many female protagonists, so don't read if you don't like it. ...