One Piece: King of the World - Chapter 93 - : Garp – We’re All Men Here

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.

“Ding ~ Host has been killed, experience + 100.”

“Ding ~ The Host despises the strong, imposing manner + 100.”

“Ding ~ Host has consumed a point, you have received a modern hand grenade!”

You can cut me, but can you not cut my face? He had to rely on his face to survive!

Ye Fan had traveled through a fantasy world filled with slaughter. The system told him that he could live forever!

You are an Earth Divine Realm expert? Sorry, kill him! Are you a Heavenly Dipper Sovereign? In my eyes, it’s too trashy!

Indestructible! This world is vast and boundless, and I am the king!

- Description from Novelupdates

While a certain young man hides in a certain Ruins City, wanting to become a tanky mage through passive farming.

Mages should focus on learning more spells and magic? There is no time to invest in body strengthening? Mages are defenseless when they run out of mana? None of these are a problem for Gurney and his Passive Farming System. Through the system, Gurney trains both his body and mind at the same time, he goes beyond the limits and logic of an ordinary mage. This is a mage who casts spells while tanking hits, his recovery speed surpasses even warriors and knights. This is the journey of a vigilant and careful mage who grows tankier and tankier.

…

With the rising waves of darkness, the steampunk steel ship sets sail on a journey and adventure.

Whales sink to the depths of the sea, sirens sing with beautiful voices, calling out to the Transcendent sailors who hunt for mermaids.

The mysterious Time Hunters who obey the ancient rules search for their prey.

He who bears the title of “Hero” carries the burden of fate as he steps on the road to write a new page of history.

Ancient “Sealed Ones” rush to break out of their imprisonment, wanting to create and release new “Supernatural Memetics”.

The combination of steam technology and supernatural powers bring forth the era of “Transcendent Genetic Warriors”.

Infant dragons who have just hatched watch as the Dragon Slayer digs out their mother’s heart from her body.

Calamity level lifeforms sharpen their blades, stepping into the stage of this extraordinary era.

The tides of the era surge and swirl, bringing along the mysterious fog of darkness…

The indescribable existence nurtures and grows…

Along with the stare of the Abyss…

“He is the entertainment king who is in charge of everything. Been single for years, he had zero scandal. One day, a woman and a girl turned his life upside down.

The little cutie held him tight, not letting go. “”Handsome uncle, you look very much like the daddy I have lost for many years!”” Huo Yunshen felt depressed. “Me? Daddy?!”

The little cutie proudly pulled her mommy over, “”Mommy, I have found a long-term meal ticket for you, handsome and gullible.””

Xu Xiyan smiled at the elegant man.

Recalling the accident five years ago, his face sank. “”How dare you steal my DNA?””

She laughed. “”Not steal, just borrow!”” The man took her in his arms and warned in a dangerous tone, “”Woman, should I get what’s mine back, with interest?””

She stood on her toes. “”Yeah, how about another baby?”””

- Description from Novelupdates