In the Tearmoon Empire, the disdained selfish princess Mia was sentenced to death -- or at least, she was supposed to be! Instead, she woke up as her twelve-year-old self??

To avoid the guillotine in her second life, she won't repeat her past failures...

"F-for me, something of this level is an easy task!"

Ultimate self-defense! The strongest self-awareness!

Using her previously clumsy, timid princess image, she will go against fate- a once-in-a-lifetime fantasy of fixing history!

Sword Magic, where a sword is manipulated using magic to freely fly in the air, cutting down enemies. Ardis is a user of this new magic art that has never been seen before throughout the entirety of the history of magic. As a mercenary, he undertakes various requests in return for remuneration, including subjugations, escorts and investigations.On the way home from a survey request, he protects a pair of twin girls who survived their caravan being attacked by bandits, however in this world twins are considered “abominations”.Along with the twins and a girl who accompanies him as a follower, he holds back his anger at the world which looks coldly at the twin girls due to the goddess’ intervention.This is the story of such a swordsman called the countless swords sorcerer.