Ep. 1: Shirou and Atsuya

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This story takes place during episode 1 of Ares no Tenbin. Hakuren's captain, Fubuki Shirou, and his younger brother, Atsuya, are watching the match between Raimon and Seishou Gakuen. However, Mabuka Souji is displeased with Atsuya's behaviour from their previous match. (Source: Inazuma Eleven Wiki)