The grand finale of summer camp! What will become of everyone by the Netherworld Tree? Chihaya manages to escape from the slimes, but a possessed Tsuyoshi stands in her way while Natsuki is being tempted by Nami. Can Nami & Tsuyoshi be saved? What will happen to Sayaka & the others? The love story of Chihaya & Natsuki in this incident comes to a dramatic conclusion!