I Refined My Yandere Senior Sister into My Soulbound Sword

When Shen Yan awoke, he found himself bound to a sword-forging platform. His gentle, alluring senior sister approached him.

She told him she wanted him to stay by her side forever. And by "stay by her side," she meant refining Shen Yan into her personal sword!

Just as earthfire began to consume him, Shen Yan awakened the Personal Refinement System.

[Detecting that Host is undergoing personal refinement]

[First-time reward: Reverse Master and Servant]

"Reverse it!" Shen Yan selected confirm without hesitation.

In an instant, their roles were reversed.

From then on, his once lofty senior sister became the personal sword in his hands.

And the System could absorb the energy of heaven and earth, refine cultivation techniques, and directly return the results to him as cultivation.

From then on, Shen Yan traveled the world with sword in hand, seeking the pinnacle of immortality...