The Hero Creation Classroom of a Reincarnated Ordinary Person: After Reaching My Limit as an Adventurer, I Reluctantly Opened a Classroom in the Countryside to Earn Money for the Future, and My Student Became the Strongest

The story centers on an unfriendly and ordinary teacher who uses unusual methods to help his students — such as an adventurer abandoned by her party, or a girl who cannot use magic despite coming from a line of magicians — to come into their own and find their hidden potential.

(Source: Anime News Network)