MTL - Doctor Chen, Don’t Be a Coward! - Chapter 320 The Backbone of Our Generation

After dying prematurely from an incurable disease, Yuka Hikano finds himself in a mysterious realm filled with endless doors, each concealing divine gifts from powerful deities. He is not alone—others who have met the same fate of death stand beside him, unaware of the trials that await.They are put through various tests and eventually transmigrated into different worlds. But these worlds are nothing like the Earth they once knew.For Yuka, however, this apocalyptic world feels eerily familiar. It is a realm of endless war, devastation, and chaos—a world he once played in a game. Certainly not the kind of place one would wish to be reborn into.From infancy to adulthood, he must gather strength, knowledge, and allies to survive the horrors that lurk ahead. But when he awakens a system granting him a power beyond imagination, he soon realizes that blessings can also be curses.[You have gained Infinite Mana.]Infinite Mana...?What could possibly go wrong?

A novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top with lots of girls from various animes and games with a twist of that gaming feel (hunting mobs, doing missions).

- Description from novelupdates

Sixty Years ago, one middle aged man brought a Qilin that looked like a pug and a mandarin duck that looked exactly like a duck, walking into the Imperial City of the Central Plains for the first time.

Shiloh is an Dominant Omega, in a world where he lives Dominant Omega and Dominant Alpha only born among the elite. So when his father sold him to some 'Madam', everyone used him. Shiloh got a lot of bad treatment until he meets Gruvv, a Dominant Alpha. Gruvv himself has a problem, he can't smell pheromones because of his depression. He was never in a RUT again and his family was constantly looking for ways to get him to smell pheromones again. In the side, Gruvv is the heir to the DHURUDATTA family, a mafia family that also made Shiloh's father run away because of his debts.