Honkai Impact 3rd : This is My Revenge - Chapter 1 - 00 : After "The Message", Comes "Ajin"

First World : CampioneCurrent - Second World: High School DxDThird World: ???Reincarnated into the world of Campione! Haru Kasugano, our hero slays gods and ascends as the mightiest Godslayer. He battles powerful God-Kings and Campiones, claiming victory after victory. Whatever it is. [Wealth, Power, Beauty] he has it All. Watch him grow stronger as he travels into new realms like High School DxD and the Fateverse, leaving a trail of defeated gods and captivated hearts in his wake.

A tree of 10,000 flowers, the world is the door.
The spells change a lot, but the hearts of the people are unchanged.

- Description from Uukanshu translation

In a world where supernatural creatures are forced to hide behind the scenes, they are forced to stay in the darkness, never revealing themselves to the light of the world. But what if the world itself changed?A world where such creatures didn’t have to hide; instead, they reigned supreme. That is the world Liam Lycann has been thrust into. And as a fellow supernatural creature himself, he is forced out of the darkness and into the light.In a world where monsters rained from the sky, changing the social hierarchy of the world, Liam must survive this apocalypse. He must begin his journey to level up. But can the creature that ascends this new world to be the strongest possibly be a werewolf?

Augustus Cross was a man close to his 30s with nothing to his name. People rolled their eyes at the seemingly useless man and he remained helpless even as his daughter was at the brink of death.When all hope seemed lost, the hidden dragon within him was unleashed when the seal broke accidentally as his birthmark was stained with his own blood. Knowledge of ancient arts filled his subconscious, granting him powers to cure his daughter and other incurable illnesses.A man who was once looked down by everyone is unstoppable now. What lies beyond this man with the power he now possesses?