The Asterisk War, Vol. 4 (light novel): Quest for Days Lost — Yuu Miyazaki

Ayato and Julis have made it to the final rounds of the Phoenix, but now that Ayato's greatest weakness is public knowledge, they'll need some clever strategies to stay on top. Unfortunately, that's when Ayato makes contact with Le Wolfe's Tyrant, Dirk Eberwein, and learns more about his missing sister, Haruka. With newfound doubts and old insecurities clouding his mind and heart, will Ayato be ready for the next match? Or is his winning streak about to come to an end...?