Titre original : A Day in the Life of a Lord
Erica moves into Japan and also transfers to his school, causing him troubles on her first day. Godou meets Mariya Yuri, a shrine princess, and learns of The Committee for the Compilation of True History, a magic organization based in Japan. Erica brings Godou to Italy to meet the representatives of the country's Society of Magicians, and show them his new powers by facing him in a duel. The representatives decides to entrust Godou with an important artifact upon seeing his abilities. He also finds out whether or not The Committee's beliefs for why Erica is staying by his side are true or not.