MTL - I Was an Abbot in Ancient Times - Chapter 16

In the era of Beast Taming, Ye Xuan with his superior Beast Editor, claims that he can turn even a snake into a Divine Dragon that soars across the nine heavens.

Qin Chuan arrived in a parallel world and got bound to a system.

In a peaceful, utopian Earth, a young man is born cursed by the will of the heavens. One day, he awakens… and uncovers the hidden world of the High Humans—the most powerful beings on the planet. His superpower? A rare support ability with healing powers… or is it? From that moment on, a healer who devours lives to grow stronger, just like the worst demons, is born. *** This is a story about superpowers in a distant future, where Earth hides unimaginable secrets. It’s also a journey across universes, filled with battles and discoveries. The protagonist isn’t a genius or a trained warrior. He’s just an ordinary man who faced dark times and watched his life be consumed by the abyss. But now, he has a chance to change everything. Step by step, he will learn why to fight—and how to survive.

Crossing to One Piece world, he became Roger’s younger brother.