The Retired Supporting Character Wants to Live Quietly

Instead of causing chaos with my knowledge of the original work, I assisted the protagonist. I successfully completed the story and now planned to retire and live peacefully. However, it seems the protagonist still needs my help. An academy professor? That’s nothing much. But why is the state of the academy so strange?” — Description from novelcodex.orgFull novel: The Retired Supporting Character Wants to Live Quietly — read the rest free on N​o⁠v​e⁠l​C⁠o​d⁠e​x⁠.​o⁠r​g⁠