The supporting character's harem is very normal - Chapter 244 Lipstick Stain

Seven billion humans living on the Earth time-traveled together after they had woken up one morning. They all heard a synthesized female voice.

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.

Lin Xun unintentionally downloads a text game called “Book of Salvation”.Leveling up and taking adventures is just standard procedure.Not only can he bring game items into reality, but he discovers that he can also bring game characters into the real world…Although the game difficulty is hellish, luckily, Lin Xun has an unusual talent.While other Apostles can only use one game character…Lin Xun is hesitating over which one of the game characters he should use.While other Apostles are still using weak human characters...Lin Xun is already using powerful monster BOSS characters.…Then one day, when Lin Xun brings a terrifying BOSS into the real world...“Would you believe me if I said I'm here to save the world?”

Vincent is a young orphan born without special powers in a world where those with ability are privileged. However, he still trains in the new world’s profession, his family’s martial arts and magic techniques to grow strong, hoping to one day fulfill his dreams of ending the war and bringing peace to the world.

A treasure with unthinkable uses gives him a chance to change his fate, but first, he must prove himself worthy of the name «Sangue!»

‹ Evolution process has started. The blood of the Vampire Progenitor, Kermis Idiouni De Sangue has been injected into the owner’s bloodstream ›

‹ Sangue Heart has been birthed ›

‹ You’ve successfully evolved ›

‹ Congrats on becoming a Demi-Human ›

‹ You’ve extracted the power contained in the blood of the beast. The power of blood has been merged with the owner’s body ›

‹ Your magic power capacity has increased to 90 units ›

‹ Your Strength has increased to 42 points ›

‹ Your agility has increased to 37 points ›

While he absorbs the blood of the beast, sunlight peeks through the green and thick canopies of the overgrown trees and shines upon his bloodied face as he comes to realize that he has become a monster lusting after blood.

With the mysterious treasure of his family, how far will he rise? Will his hopes for ending the war ever become a reality?

OR

Will he lose himself to the darkness of pleasure and become a monster?!

Read to find out!