Ashido Aoi is a normal 15 years old high school student in Okinawa Japan, she doesn't have a good childhood because her parent's neglect her until one day her mom and dad suddenly wanna take her out to see movies and eat outside she was happy and see this as an opportunity to get close to her parents little di she know's they'are planning something to her. the last thing Aoi remember is having a good desert at home with her parents before she wake up as a baby!? she can't speak and remember everything that happened before she was reborn in a weird world? the question is what happened? where is she? why did she turned into a baby? who is this people calling her Caliana Yanira Sinclaire Kiev? what happened to her parents?
"I want a more fun life..." Ashido wishes and it comes true. After being summoned only to be told that they are heroes who must defeat the all generic demon lord. With only magic powers only to be held back by his imagination along with his best friend Tsunari wielding the blade, these two embark on a journey to win.