Fgo's Human Theory Drifting

After the Lostbelt ended, Chaldea and his party encountered a new disaster. When the human principles of a parallel universe drift to other universes and cover their human principles, we call this human principles drifting. In this world where the human principle is covered, the character of all people and even the followers will be changed. How can Fujimaru Ritsuka survive in this world and save the human principle? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.