Apostle of the Stars, a renowned swordsmanship family

The main character, who dies while blocking the devil until the end, receives Pluto's choice just before he dies and becomes an apostle of the star. I will come back to 20 years ago. The main character Ludwig, who was called a half-genius and a bad product of a famous family because he could not express Aor, but was finally called a pure and pure white master, succeeded in the manifestation of Aor at the same time as he returned. What if a swordsman genius deals with Oro? The future that he has experienced in the future will be really cruel for him who has been chosen by the stars, but he is a revenge that makes him want to look forward to more because he is Ludvich. 'A defective product of...