In Search of the Lost Future: Special, Ushinawareta Mirai wo Motomete: Ushinawareta Natsuyasumi wo Motomete, Ushinawareta Mirai wo Motomete Special, Ushinawareta Mirai wo Motomete Episode 13, In Search of the Lost Future Special, 失われた未来を求めて　第十三話「失われた夏休みを求めて」