When Rei visits the Kawamotos, Hinata talks to him about school. Little by little, she confides in Rei about the classroom atmosphere. But one day during lunch, the baseball team’s ace and all-around popular guy, Takahashi, pops in to Hinata’s class?!

In the world of shogi, one can only continue making an effort, but Yamazaki finds that Nikaidou and Rei never falter and always throw themselves into the “deep end.” Nevertheless, Yamazaki is determined to win and after beating Nikaidou in the Newcomer Tournament semifinals, he faces Rei in the match that will decide the next Newcomer King.

On the way back home from their commemorative match in Morioka, Rei and Souya are forced to stay in Sendai for a night because of a typhoon. Rei is relieved after they find lodging, but soon gets a phone call from Chairman Jinguuji, who tells him a certain secret. Meanwhile, Nikaidou is out of the hospital and ready to make a comeback in the first qualifying round of the Jeweled King Tournament.

Hinata has been coming up with new ideas for sweets one after another all throughout summer vacation, but struggles to focus on her studies and deciding which high schools to apply to. Rei decides to invite the three Kawamoto sisters to some nagashi somen fun at his school. When Hinata meets the members of Noguchi's Shogi Science Club and Hayashida, she begins considering Komahashi High, Rei's high school.