Grand Voyage : Surviving on a Ghost Ship - Chapter 36 - Three Bottles of Magic Potion

He was once a presence in the assassin world that made people tremble at the mere mention, and had retired from the assassin world for many years to live in the mountains with his master, teasing nuns and practicing martial arts every day, leading a leisurely life, having washed away all traces of his murderous aura.However, when the old man asked him to come down the mountain to protect a woman, it gradually tore away the mysterious layers of Ye Qiu's demeanor.His skills were extraordinary, and he possessed a long-lost technique of acupuncture.He was both righteous and evil, attracting countless beauties to fall in love with him.What was even more mysterious was that he had a pair of “Supernatural Insight Eyes,” seeing through everything.

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

Between heaven and earth lies the greatest truth, and the manifestation of the great truth descends in the form of Gu.　　People cultivate the Qi of heaven and earth around their bodies to control Gu and exert their magical power.　　One year after his transmigration, Chen Qing finally discovered his special features on the day he contracted his first Gu. He was actually able to see through everything about the Gu...　　Therefore, he began to march toward the road to immortality step by step.