In Episode 21 of the 3rd Season (overall Episode 71), titled the Winter Cup final between Seirin and Rakuzan intensifies as Seirin's "supporting" players take center stage to combat Rakuzan’s Uncrowned Kings. Key Plot Points & Match Progress
Rakuzan maintains a comfortable 20-point lead by ruthlessly utilizing Chihiro Mayuzumi as a "phantom sixth man" distraction and relying on the individual scoring power of Mibuchi, Hayama, and Nebuya. Kuroko no Basket 3rd Season Episode 21
Acts as a "sacrificial" defender whose instincts help the team decode Mibuchi’s shooting patterns. In Episode 21 of the 3rd Season (overall
Successfully counters Hayama's high-speed dribbling using strategic planning and Eagle Eye. Kuroko's Basketball ‒ Episode 21 - Anime News Network
The episode is pivotal because it shifts the focus from the "miracles" to Seirin's secondary players. It demonstrates that for Seirin to win, the entire team—not just Kagami and Kuroko—must overcome the individual superiority of Rakuzan's Uncrowned Kings. Kuroko's Basketball ‒ Episode 21 - Anime News Network