MTL - Nine Astra Skies - Chapter 20 Yun Yixuan visited

Someone once saw me at the end of the world and respectfully called me the serpent that coils around the world—Jörmungandr.Someone once gazed upon my form at the edge of the Underworld and called me an ancient serpent—Satan.I was also feared by the gods and was called the hundred-headed dragon—Typhon.I have had many names—the serpent of creation, the serpent of sacrifice, the serpent of ceremony, the serpent of the world...But I have wandered through the chaos and arrived at the wilderness. There is only one divine name—the Primordial Ancient Serpent, the origin of everything.

An ordinary medical student suddenly got the blessing of the system and could directly see the patient’s health! Since then, treating illnesses and saving lives has become commonplace, and he has also become a legend in the medical field.

- Description from novelbuddy

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

The Zhuang Lady sent her dog, Yin Huayue, to keep an eye on him and confine him. She is cold-blooded and hypocritical, and always has a fake smile on her face. Helping him get ready, combing his hair, and lighting the lamps. Awake for twelve hours a day, Li Jingyun spends ten hours thinking about how to make her leave. But after that, she actually left. He became anxious.

Despite our brief time together, we are not appreciated despite our strength. Rather be alone, instead of withering alongside with another.

- Description from Novelupdates