MTL - I, Doomsday, Have Been In the Core of the Sun For a Hundred Thousand Years - Chapter 65

In his past incarnation, Lu Xuan was the youngest Celestial Lord that the universe has ever seen!
An accidental rebirth brought him back to a thousand years before, where the Earth had just begun its spiritual reawakening. When he stepped onto the way of cultivation for a second time, he swore to rewrite all injustices suffered in his past life, and defeat all enemies that dare stand in his way!
Let invincibility be his cultivation and the path he treads. In this life, it is his destiny to be invincible!

Lin Mu Yu is one of the top players in Conquest the game before Destiny. He decides to delete his account due to a promise with his father.

Before he deletes his account, he sells all of his equipment and deletes all of his skills. After deleting his account, he suddenly gets his deletion overwritten by a mysterious source and ends up getting trapped in the game itself.

Without anything except for 3 of his skills, how will he survive?

- Description from Novelupdates

Xingyi Fist Grandmaster Xiao Yi's soul transmigrated to another world.In this world dominated by Martial Artists, Xiao Yi obtained a Martial Soul that defied the Heavens, embarking on a journey to crush countless contemporary talents and achieve the status of Soul Emperor and Martial God.Shattering Heaven and Earth, breaking through the vault of heaven, he reigned supreme over All Heavens and Myriads of Worlds.

A man reincarnates in the body of a boy who suffered a tragedy, only to realize that he is in the world of My Hero Academia. What's even stranger is that his quirk seems to have the abilities of Nen and Haki.