The Earth-Shattering Rebirth of Kazuki

She has the ruthlessness of a killer, the determination of a special soldier, and the skills of a mercenary. However, she is smarter than a killer, more humane than a special soldier, and more principled than a mercenary. She is Yili, codenamed "Xue Kui". She is a perfect spokesperson in the eyes of others, and she has multiple identities. What kind of unknown past does she have? She has a beloved grandfather, father, mother, brother, and clan members, but at the end she has no ability to cultivate immortality and is an idiot at the end. She is Yili, the sixth lady of the Yi family, an ancient family of immortal cultivators. What kind of intersection can two people from different eras have? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.