The Saga Of Dharanii
Saito Oharu, an elderly man who plays the popular MMORPG "Divine Online," is mysteriously transported to another world as his game character just as the game is about to be terminated.
The world he's been transported to is an anime world he used to watch in high school.
Saito then decides to begin a new life, leaving his past behind, but this will not be as simple as it appears, as he will inevitably clash with the anime protagonist who has a system.