Travel through common sense - become the protagonist, invincible in the world, and reach the pinnacle of life.
But what should you do if you travel through time and become a girl?
A man who has been an otaku for more than 20 years suddenly finds that all his common sense seems to be useless...
But as a time traveler, even if he becomes a girl, he must defend the dignity of the protagonist to the end!
Even if all common sense is lost, then... At least you can still fall in love!