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Before his adventure begins, Dai lives in peace as the lone human among monsters on Dermline Island. While he dreams of becoming a hero, a group of fakes shows up to kidnap the Golden Metal Slime! Then, when Princess Leona arrives in need of a hero, Dai is ready to answer her call…but he needs more training! Will a tutor come along to help him?
What was born as a villager, no matter how much effort, remains a villager and never becomes a swordsman. This is the world where everyone's life has been determined by the innate “job”. And a young man was summoned to this different world with a certain ability. The ability of the main character, Kaname Morimoto, was able to brilliantly `` change jobs '' = job change ability!!
Coming from a prestigious middle school known for its sports, Ibuki Shin was one of the best pitchers in her softball club. Whereas, Kinomoto Yutsuki, from a regular school, was thought to possess outstanding talent as a hitter. The two stars are now enrolled in the same high school, but Shin decided to stop playing softball due to her hidden feelings for Yuki, while Yuki, oblivious to Shin's feelings, will not join the softball club without her. Each side recognizes the other's ability for the sport and wishes for their continuation. In hopes of persuading Shin into playing again, Yuki proposed a match between them, with the loser granting the winner's wish afterwards.