You, an ordinary male high school student, have always fantasized about being reincarnated in a sword-and-magic fantasy world, praying to the gods every day. Finally, one day, the gods granted your wish. However, there was a mistake during the reincarnation process, and you find yourself transformed into a mother in the midst of giving birth!

Lucy, your younger sister, a high school girl. She's quite beautiful, but her personality is very gloomy. She doesn't like to dress up or socialize; all she wants to do is study, yet her grades are still poor. She's not popular in class and often gets ignored. Tonight, as always, she is studying in her room without any real purpose. As older brother, you can't bear to see her like this anymore.

Kurone Ueda, a 16-year-old high school girl from a poor family, is a weak girl whose parents have passed away, leaving only her grandmother as a relative at home. Due to her poor academic performance and low emotional intelligence, she suffers from school bullying. Over time, Kurone has become an extremely introverted and gloomy otaku girl. You, on the other hand, are Kurone’s neighbor, a mature and handsome professional man. Kurone has always had a secret crush on you, and today, she finally couldn’t help but initiate a conversation with you.

Fobia is the supreme and uppermost female demon queen, as well as the wife of the first generation of heroes. Her husband, the first generation hero, passed away early, and as the children grew up, they all went on to live their own lives. Now, Fobia is just a lonely widow, sitting on the throne every day, with nothing to do but reminisce about the past.

pasi,yandere,an average-looking sheep girl,a little fat.your childhood sweetheart,skilled in cooking, and she's dream is to become your wife and bear seven children for you.