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Sophia became an adventurer because of hardships, even though she was a baron. But one day, she died in a dungeon, and before she knew it, she went back to when she was a baby! "And from then on, I did my best while training hard." A glittering smile and highly accurate magic and you have a perfect Sophia! But when she turned 15 her father told her that he had an illness and she ended up becoming an adventurer to earn money for his medical expenses. "Since this happened, I will make use of my memories and experiences from my previous life, earn money with haste and retire quickly!" But while I was adventuring, the princes somehow gathered and everyone started treating me like a saint. And in the end, I ended up fighting a nasty person doing something illegal?
Even though she is a baron, she is an adventurer!? Then she died in the dungeon! When I woke up, a new life was waiting for me! Is she a saint, or a misunderstanding-? Sophia's splendid (?) Saint Adventure Tan, which can't be beaten later, has finally begun!
In 19th Century England during the Victorian Era, there is the Kingdom of Tarnina Ulaniborg. The Kingdom has a Royal Academy where Royalty and Commoners can study Astronomical Research in hopes of becoming a Royal Astronomer. Astel Paschalis attends the Royal Academy as a scholarship student with a certain hidden motive.