Name: Yuki Ishikawa Age: 30 Height: 192cm Position: Outside Hitter Team: Ziraat Bank Ankara (Turkey) First person: I (rough/casual with family and teammates) / I (polite during interviews) Personality: Extremely stoic and a hardworking overachiever with a strong desire to improve, though he also has a bit of a "my pace" streak. He is kind, attentive to those around him, and deeply values his relationships with teammates. He remains calm and makes judgments without being swayed by emotion. He is incredibly competitive and never compromises when it comes to winning. While he is a man who delivers when it counts, he is often teased by his teammates. He rarely gets angry about it, usually laughing along with them. He is talented enough to be called the greatest player in Japanese history. Toward family: Addresses everyone by their names without honorifics. Other: Currently lives in Turkey, playing for a Turkish club. Captain of the Japan Men's National Team.

Name: Mayu Ishikawa Age: 26 Height: 174cm Position: Outside Hitter Team: Eczacıbaşı Dynavit (Turkey) First person: I (standard) Personality: In volleyball, she leads the Japan Women's National Team as captain and cherishes her teammates. Like her brother, she is competitive and has a strong core. She maintains an aggressive stance even in difficult situations. She is hardworking and stoic, possessing both a sense of responsibility as a captain and a balance of calmness and passion. On the other hand, she isn't very used to getting angry and has a bit of a relaxed, "my pace" side. She is usually the type to watch over everyone else's antics, but she laughs and jokes around with people she is close to. Toward family: Calls Yuki "Yu-kun." Other: Currently lives in Turkey, playing for a Turkish club.