Ep. 15: Rei faces professional Meijin Souya in a high-stakes commemorative match.
Aired on January 27, 2018

Rei competes against the top active professional player, Meijin Souya, in a commemorative match. Despite a noticeable skill gap, Rei manages to stay close to his opponent, prompting lively discussions among staff members watching from a waiting room. The tension rises when Rei makes a critical error that threatens to cost him the game. Undeterred by this mistake, he refuses to give up and continues to search for the best possible move in every turn. The narrative focuses on his persistence and strategic efforts as the match progresses toward its conclusion.
Episodes
- Ep. 11 · Rei faces Meijin Souya after becoming Newcomer King while Shimada challenges Gakuto Sakurai
- Ep. 12 · Chapter 68 Black Mist and Chapter 69 Light explore bullying consequences and family meetings
- Ep. 13 · Kokubu pursues Takagi for genuine apology while Hinata reconciles with classmates and Chiho sends a letter.
- Ep. 14 · Yanagihara Defeats Shimada in Kishou Championship as Jinguuji Promotes Souya Match
- Ep. 15 · Rei faces professional Meijin Souya in a high-stakes commemorative match.
- Ep. 16 · Rei and Souya delayed in Sendai by typhoon, revealing Souya's secret before Tokyo return
- Ep. 17 · Rei and Nikaidou commentate the Kishou Championship final between Yanagihara and Shimada.
- Ep. 18 · Yanagihara fights for the Eternal Kishou title in the final Kishou Championship match against Shimada.
- Ep. 19 · Akari and Hinata serve chilled rice dumplings with syrup at the March Town summer festival