In my past life, I went crazy over pretty teachers and gave them everything, even my liver and gallbladder. In my old age, I realized it was all meaningless; only my own abilities truly matter. After returning to the past, I got my act together and focused on my sword. Now the teachers who abandoned me look at me with greedy eyes. ...Is this your first time seeing a spirit sword? ※ The cover shows Professor Lin's academy. The armored Lin that appears when clicking the cover on PC version is Lin who has become the Holy Knight of the Apocalypse.