Asami and Rina are two sisters who are both professional shogi players in the same B League. Both are also unsatisfied with their partners — Asami is in a slump and is danger of slipping into the C League and she blames her husband Kazuya, and Rina is tired of her boyfriend Hiroki, an unsuccessful musician.

• Asaka Seto
• Shinya Tsukamoto
• Mikako Ichikawa
• Jun Murakami
• Miyako Yamaguchi
• Ren Osugi
• Kazuma Suzuki
• Kaori Tsuji