Light Novel Other Size THE GREAT SAGE WHO HAS RETURNED TO ANOTHER WORLD IS STILL GOING TO LIVE IN SECRET.

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

At the age of years old, he transferred to another world. He was picked up by a great sage, Kate, and studied under him. He became a great sage a seemingly eternal training, together with his friends, defeated the Great King of Magic, and returned to the original world - Japan. When he came back to Japan with nostalgia -- 19 years had passed! Although he thought that there was nothing like a different world, there were monsters, mafia and anti-demon groups around Cytoe? He is supposed to live leisurely without using his abilities, but the great sage doesn't seem to be fit to live secretly. Comicalize Begins Series, Becomes Novelist, Enters Retirement Fantasy!