3年生に進級した神原駿河は忍野扇から、「願いを叶えてくれる悪魔様」の噂を聞かされる。悪魔様の正体を知るべく、会いに向かった駿河の前に現れたのは―――。
Part 4 of 4. The night of August 26th. After doing fireworks at the park, Koyomi and Shinobu are surrounded by a lot of zombies. Suddenly, a woman with a big backpack emerges out of nowhere to save them with white rice. Koyomi tells her his name, and then she gives him a letter from Meme Oshino.