The S-Rank Mercenary Who Regressed Without Mana

The moment I thought I was done for, helpless against an overwhelming attack, a voice reached me.

"First, please read this."

[The Academy's Rank X Sword God]

...What's Rank X supposed to mean?

Time turned back, and now I had to stop a future that was still bearing down on me.

While carrying not one, but two Talents I was never supposed to have in the first place.