One Piece: Became King of the World - Chapter 310 - 311: Quicksand Guild

[Warning! The MC here is the literal incarnation of evil and madness throughout the story.]Valtar Titanblood formerly known as Ethan Martin on Earth was struck by an unimaginable tragedy and took his own life at the end, his whole life filled with misery and incompetence of his own doing.Then he transmigrates to a world of infinite proportions and power that defies logic, this new world which is filled with Dragons, Titans, Ouroboros, and countless more bloodline creatures and mythical beings, also powerful humans who are known as Mystic roams here as well.Valtar in this new world has the Karma System and the bloodline of an unknown titan running through his veins, with these powers in hand he who was supposed to become the symbol of justice and equality decided to become the paragon of madness and evil.He who had the tools to become the Judge of Truth and the figure of Respect chose to become the arbiter of chaos and the embodiment of fear.

Born naturally defective but possessed by the spirit of a divine dragon. Inheriting the divine dragon’s will and power, growing scales and magical claws, imperial waters containing the breath of the dragon, travelling through clouds and summoning rain, an invincible physical body. In this world and era, countless men dream of slaying dragons. Li Mu Yang has always lived a hard life.

- Description from Novelupdates

There are always four kinds of people in the traditional Mary Sue world. The Male Lead, the Mary Sue female lead, the woman who never wanted to see the female protagonist live a good life, and the infatuated man willing to destroy heaven and earth to get the female lead.

However, with the rapid expansion of the army of rotten women, there is also a growing type of character, and that is a man who is also infatuated with the male lead… This character is referred to as the gay guy. They share the same infatuation like the second man, also has a tragic end and works together in hindering the male and female protagonist’s love.

Fan Yuan has walked in every time and space playing the gay man. He had always enjoyed it, until one day, with superb acting, he made the male lead bent. O (╯-╰) o

Fan Yuan (affectionate confession): “I do not want to be your brother, in fact I have always loved you.”

Someone (fondly looking back): “Me too.”

Fan Yuan (⊙_⊙): “…”

You’ve got the wrong line, bro!

- Description from Novelupdates