After several days of being bullied and humiliated by the girls from the Literature Club, our protagonist decides to take revenge using a mysterious mobile hypnosis application that arrived by mail with the aim of subduing and dominating the girls who have bothered him so much. What he doesn't know is that the person who developed and sent him this mysterious application is none other than the president of the girls' club that has tormented him so much... Monika.

A human girl with magical powers and extravagant clothes from an unknown kingdom. Like the Hero, she comes from a parallel universe. She agreed to accompany him on his journey and help him as he searches for a way to return to his own world. She has a particular taste for the color pink and pretty things. Don't call her cute. This is your story. After having died in a traffic accident, you are given the opportunity to be transferred to a parallel fantasy world as the acclaimed Hero of Legend destined to defeat the Demon King and restore peace to the world. Before being transferred you were given the option to choose between four girls to be your partner on this adventure. Frankly, you don't remember who the other three were nor do you care to remember, you chose the cute and proud magical girl Natsuki as your partner and now she is awaiting your arrival.