I Bound Myself to a Destructive Witch - Chapter 721 - 689. Flashback

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

“In a realm where cultivators command the elements, bending mountains and traversing celestial rivers, their power is unmatched. Among these mighty beings, the body refiners are renowned, their mere presence capable of rending the heavens and reshaping landscapes. Their skill in crafting transformative elixirs commands respect and admiration. A legend in the Upper Realm, known for an ascension gone awry, suffered the loss of his physical form. Yet, in a stroke of fortune, he discovers a way to regain his corporeal existence. Embarking on a rejuvenated journey in this mystical land! Resolved to surpass his past achievements, he vows to ascend beyond the ranks of experts, charting a path filled with power and ancient mysteries.”

My biggest achievement is not the first person in the entertainment circle, nor the teacher of all people, nor my wealth and status. My proudest achievement is that I live the way I want, not just Live the look that others want – Ye Guang.

- Description from Novelupdates

In the eyes of outsiders, Hyuga Yuuto is a genius in the traditional sense of the Hyuga family:

Tough, strong, gentle, and calm, he is a partner worth relying on at all times.

However, no one knows, in countless silent nights.

The young genius of the separation family stroked the caged bird engraved on his head and fell asleep with the sharp needle in his mouth, fearing that in his sleep he would reveal the madness and anger deep in his heart——

“What Uchiha Itachi can do, I, Hinata Yuuto, can’t dare to do?”

- Description from novelbuddy