Real Man - Chapter 560:

Tsubasa gets a second chance, reincarnated in the Naruto world.However, fate throws him into the Sengoku era, a time of relentless conflict.His sole advantage? A one-time cheat to create a ninjutsu. 'Venom' is his creation, his hope.Can this single ninjutsu ensure his survival and perhaps, something more, in this savage age?

When the new snow begins, the full moon will be in the sky

The shadows are tiled below

Shining silver on it

And you walked towards me with a smile

Between the moon and snow

You are the third stunning color

——Yu Guangzhong “Stunning Color”

- Description from Novelupdates

Growing up in a facility that turned children into weapons, Subject 42 never knew freedom; only survival.So when a strange creepy entity offered him a second chance in another world in exchange for one mysterious task, he took it. Even if that meant living in a world that was drenched in curses, ruled by ancient gods, and shaped by powers no mortal should touch.Reborn as a Moon Elf, a being of myth and moonlight, he finally thought he could live the life he was denied.But the task he completed set something in motion. Something that he couldn't outrun.Witness, as his fate twists and turns, as Noctis moves through this strange world in search of a respite...

This is a story about Gong Lixin who was the young master of an ancient underground palace in the ancient times. He was raised by his master and forced to partake sexual relationships with numerous people to cultivate his Yin Body. His master who has a Yang Body was going to absorb him after he has reach a level to become stronger. MC refused and killed his master also dying at the same time. Then he transmigrated to the modern time and thinking he will enjoy peaceful life, the end of the world arrived.

Being someone with no special powers except for his martial arts, see how he use his martial arts to dominate the times and find his lovers.

- Description from Novelupdates