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The first time he traveled through time, he became a classmate of Fujimaru Ritsuka, a godfather, and learned about the world he was in. In the second time travel, under a series of chances and coincidences, he continued to learn and develop his own unique magic, and became a crown magician. After learning that the world he traveled to for the second time belonged to a singularity, through sophisticated calculations, he asked Gudav, who had become the Master of Chaldea, to kill him himself. With the help of the demise of the singularity, he went straight to the source and transformed his magic into magic, becoming the sixth magic user. The third time he traveled through time, he came to the world of "Detective Conan" that had not been completed until his first time traveling through it, and became a male high school student again...

Senior sister, stop fighting! No matter how hard you beat me, I don't want to be the leader! This book is also called: "Letting a sect go bankrupt starting from becoming the leader"