Interspecies Trader - Chapter 143 – Gate Network

Rinkai was an ordinary orphan with nothing but dreams of a brighter future. Honest and hardworking, he believed that effort would one day change his fate. But a tragic accident shattered everything.When he opened his eyes, he was no longer in the world he knew. Instead, he found himself in a realm where strength was absolute, and the weak had no place. Just as despair crept in, a mysterious voice echoed in his mind—[Ding! The Lucky spin System has been activated!]With a system that could grant him anything through sheer luck, Rinkai’s journey in this unpredictable world was about to begin.

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

Somehow, I ended up possessing a character in an academy setting.“Our school has a strict no-alcohol policy for students.”“Huh?”I’m a Drunken Fighter who gets stronger the more intoxicated I am, but alcohol is banned.