The girls enter a national high-school airsoft tournament, which follows capture the flag rules. The girls manage to win the first round after Yura grabs the opponent's flag and the team continue their winning streak all the way to the finals. There, they are to face Meisei Girl's Academy, who they've always drawn against on previous encounters, one of their member's being Rin Harada, who was Sonora's partner in America. As the match gets underway, Meisei prove to be tough opponents, as they manage to take out the majority of Stella's team, with only Yura remaining. Yura becomes more panicked when she overhears Rin being more focused on taking down every member instead of just stealing their flag and decides to forfeit out of fear. Afterwards, Rin scolds Yura for her cowardess, with Sonora sharing the sentiment. As Yura ponders over her actions, she realizes that if she wants to change, she'll have to make the changes herself.

The tournament begins, with teams tasked with obtaining flags and bringing them to a safe zone to avoid elimination. Thanks to Yura's strategy, Stella manage to take Seikou's flag and pass the first round. As the team progresses through the various rounds, Yachiyo becomes irritated by Yura constantly scolding Rento. By nightfall, only Stella and Meisei remain in the tournament. Before the final round, Yura goes to see Rin, whose cold words only serve to make Yura more determined to beat her. As the round begins, Yura goes up against Rin, who runs out of bullets. Yura then gets hit by another person's shot, but chooses to fire at Rin anyway, leading Stella to be declared the winners.