As for why Horikita Suzune had fallen ill...
"Uh..." Ibuki Mio awkwardly scratched the back of her head.
Because the digital camera had inexplicably broken, Ibuki Mio had been unable to obtain evidence through photographs. However, Yamauchi Haruki inexplicably splashing Horikita Suzune with mud had created an opportunity for her. While Horikita Suzune went to bathe, she stole Class D's leader card.
But after bathing, Horikita Suzune quickly discovered what had happened. The two fought outside the camp, and Horikita Suzune, already sick, was no match for Ibuki Mio. After being knocked unconscious by Ibuki Mio, she lay on the ground in the rain for quite some time, worsening her condition again.
Class A and Class C had both been gambling on the rule allowing students to withdraw due to illness. Only someone from Class D had actually gotten sick.
"It's fine. There were things all of us failed to do properly in this exam." Ryuen Kakeru had no intention of blaming Ibuki Mio. Class C had started this exam at a severe disadvantage to begin with. All his schemes had been intended only to reduce the points the other three classes earned in this exam, preventing the gap from widening further.
What he had truly miscalculated was Shiraishi Makoto's style of doing things.
In the Sudo Incident, Shiraishi Makoto could have expelled Ryuen Kakeru from the school, then gone on to attack the leaders of the other classes and recreate Nagumo Miyabi's domination of the Second Year.
Ryuen Kakeru also believed Shiraishi Makoto had that kind of ability. Yet Shiraishi Makoto had chosen to take the Class Points and settle the matter peacefully, causing Ryuen Kakeru to misjudge him as a conservative, steady type of leader.
What was more, he had observed in secret that Shiraishi Makoto's athletic ability