Because I Was Excluded Out of the Class Transfer, I Decided to Steal My Classmate's Lover - EX-1 Inverse Nekoyama Misuzu

Travel across different worlds and become a fallen aristocratic lord. With the help of the proficiency panel, you can start your liver experience with the ancestral knight breathing method, follow the wizard’s footsteps step by step, and embark on a bizarre and mysterious journey.

- Description from novelbuddy

One night she gets drunk and mistakes the most well-known Mafia boss for a host and intends to sleep with him.

Oh my! What should I do? It’s best to run away!

- Description from Novelupdates

In the year 298 from the era of the gods, elementary school girls Sumi Washio, Sonoko Nogi, and Gin Minowa are tasked with an important mission. They are to become heroes and fight Vertex, a mysterious enemy that is attacking Shinju-sama, the god tree that protects Shikoku, the only area in the world that is still habitable. What they don’t know, is that this fight will cost them more than they could have ever imagined.

Elementals, Enhancers, Beast Tamers, Artifact Nurturers – These four pathways define the magical world of Arcanists. But Finn, a former university student from earth, wakes up in a body treading a whole different path…A forbidden path: The path of a Soul Mage.Soul Mages are the ultimate parasites. They lack the ability to use magic themselves, but instead, wield the power to assimilate the mana-saturated souls of the dead.From every Great Arcanist that once lived, to every Calamity Beast, to every Mythic Grade Spirit Artifact… So long as they were dead, they were simply chaotic souls waiting to be claimed.​But this kind of power does not come without cost. Madness, frenzy, mania, innate wills and primal desires of assimilated souls threaten to drive Soul Mages to total corrosion.In this new world, ​Finn finds himself thrown into the deep end, waking up as a Vessel already housing a full Parade of Chaotic Souls. Now, his body is a battlefield. The souls demand immediate payment, stacking Soul Debts that steal his senses, his consciousness, and his very humanity.​But yet… it is this same overwhelming corrosion that causes the ultimate truth and uniqueness of his soul to surface…