Tokiya Otoya

Demon King Nefarius is betrayed by his aide and kidnapped by hero Tokiya. 　When he wakes up, he finds himself in a woman's body!? Demon King Nefarius decides to return to his throne as Demon King. 　Hero Tokiya says he will help him. The two decide to work together for their goal, and at first, the relationship between demon king and hero is incompatible, but as they get to know each other, their relationship becomes...!? And various trials await them!!

This is a life about a guy who is oblivious to the point he doesnt care about the consequences that he receives a selfless and do anything to please the people who he care about. come and join the journey of our protagonist supporting his friends on there romance, and maybe on his own romance story

Suddenly the world discovered the existence of mana or magic itself people who adapted to this changes became mage's, wizards, and sorcerers and the first group who adapted to this changes were called the rune masters , and the rune masters created a specific school where people who adapted to magic attends to learn, master and enhance magic, but due to this changes the science that the people developed is gradually getting left out or forgotten but there is one person who didn't forgot about science and is also a person who loves magic and fantasy itself but still keeps pursuing the path of science and he dreamt about uniting this 2 aspects to create a world with science and magic working together and upon his journey we will see what he has done.