I Am Already a Great Saint, and You Have Just Awakened Your Martial Spirit?

Reborn into a world of high martial arts where martial arts and soul power are cultivated. Yanagawa has no money, no power, and is still a useless martial soul. He feels that his future is in sight. Unexpectedly, just when he was frustrated, he actually unlocked a bookstore of all realms! Characters from all over the world can come to his Bookstore of All Realms, and as long as he finds ways to change their future, he will be able to obtain rewards related to that character... Yanagawa felt excited at that time. Soon, the first visitors arrived. Unexpectedly, the people who arrived turned out to be Nuwa and Tongtian! Yanagawa directly changed their future through his own operations, and the feedback obtained the [Law of Creation] and [Nine-turn Yuan Gong] Unexpectedly, the arrival of Nuwa and Tongtian was just the beginning. In the ancient times, Zulong, Yuanfeng, and Qilin chose not to fight for hegemony after returning from the study room! After Di Jun and Zu Wu returned from the bookstore, they were completely ruined! After Sun Wukong returned from the bookstore, he stopped traveling to the west! For a time, the entire prehistoric era was in chaos! As for Yanagawa, relying on the bookstore, he directly broke through and became the Hunyuan Wuji Luo Jinxian. Until one day, another world invaded, countless evil spirits entered Blue Star, and all the titled Douluo of Blue Star died tragically on the battlefield. Yanagawa, who couldn't stand it anymore, took action resolutely, which shocked the entire Blue Star! "I thought Titled Douluo was already at the top of the world, but what happened to Yanagawa?" "What, he actually split the sky with an axe!"