Shini Yasui Kōshaku Reijō to Nana-ri no Kikōshi - Chapter 134 - At the Turm Theater

In the vampire-ruled kingdom of Mildelar, the Blood Games stand as the ultimate form of entertainment—savage battles between familiars, humans bound to their vampire masters through blood pacts. Far more than mere spectacles, these brutal fights determine the prestige of noble families, shaping their power and influence across the realm. Lyon, a young human saved from death by a blood pact with the alluring Arya Valakys—one of the king’s daughters—is unwillingly thrust into this cruel world. Bound to his mistress, he is forced into relentless battles to elevate her standing.Lyon, however, stands apart from other familiars. While they derive their strength from the fear of punishment, he draws his... from having dirty thoughts about his mistress!

"Be my son's mother."

The era of the decline and fall of the galaxy has arrived, and the power to destroy the world has gathered unprecedentedly.

The minions of the four evil gods are wreaking havoc in the real universe. The terrifying monsters and demon legions in the dark night of old have brought destruction and despair to countless human worlds.

In the darkness, a ray of light emerged.

Carrying countless human technologies, the soul from another world came back to life with the help of the body of the thirteenth parent and child of the imperial emperor.

The battle between humans and evil gods is rekindled.

In the name of the Emperor, countless human heroes gather again.

Blood and corpses will pave the way for the glory of mankind.

“As soon as I opened my eyes, you told me that human beings are about to die??”

- Description from novelbuddy

Ron finds himself reborn in the world of One Piece, stranded on a remote island in the East Blue. But he's not just any ordinary child—he’s bonded to a mysterious sign-in system that grants him powers with every new location he visits.At his first sign-in, he unlocks the legendary Sun Breathing Technique, along with a boost to his vitality. From Shitmotsuki Village to Skypiea, Enies Lobby to Marineford, Ron travels the world, collecting extraordinary rewards that make him a force to be reckoned with. The Raikiri, one of the 21 Great Grade Swords, Armament Haki, Observation Haki, and more fall into his hands.As Ron steps onto the battlefield of Marineford during the legendary Summit War, the mightiest warriors—Four Emperors and Marine Admirals alike—pause, stunned by his presence. But Ron merely waves them off, “Don’t mind me. I’m just passing through.”Join Ron on his journey across the Grand Line as he signs in at iconic locations, growing stronger with every step. This is not just an adventure—it’s a legend in the making.