Return of the 10th Circle Mage {Kaizen} To put it simply, it is a novel that shows the protagonist who is living in another world and then returns to Earth to live. The protagonist decides to return to Earth because he wins the war in another world and misses his family. When he returned to Earth, 15 years had already passed since the protagonist first went to another world. ​ He returned to Earth and met his family, but his dad was sick with cancer and his mom was struggling to make ends meet. There was also a younger brother of the protagonist, but the protagonist’s younger brother is studying for a job called BJ, which allows him to make money quickly to pay off the debt he has with his family, but the reality was not so good. As a result, the story progresses as the protagonist slowly solves various problems while using his abilities according to his abilities as a 10-circle archmage.