"Welcome to The Repeating Simulation, the ultimate what if experience! Would you like to repeat one day, one week or maybe 100 years? The choice is yours! Didn't like a choice you made in your real life? Fix it here and see the alternative route! However, please note that The Repeating Simulation...

A 25 year old office worker ends up in another world one night after a rather bizarre incident. Now labeled as a hero, Mizuki Ayano must now learn how to be a hero and if he even has the ability to do so! What awaits a normal man thrown into an abnormal situation!?