Eiga Crayon Shin-chan Kikikaikai! Ora No Yokai Vacation (Futabasha Junior Bunko)

[Machine Translation] One summer day, while out walking with Shiro, Shinnosuke rescues a young boy. It turns out that the boy was actually Mameta, a yokai disguised as a human. Around that time, strange supernatural phenomena were being reported across Japan and making headlines. Amidst all this, Shinnosuke s family returns to Hiroshi s parents home in Akita. Shinnosuke and the family were looking forward to a grand fireworks display, but the morning after they arrived, lured by a flyer for Ghost-tion Village," they wandered into a strange place deep in the mountains. It was the entrance to the Land of Yokai," where humans are forbidden to enter. After having their butt balls" stolen, Hiroshi and Misae turn into yokai, putting the family in a huge bind! With the help of Mame-ta and their yokai friends, they head to the castle in the Land of Yokai to retrieve their butt balls," but... Will Shinnosuke and the others manage to return safely to the human world? For intermediate elementary school students and up.

ある夏の日、しんのすけはシロと散歩中に男の子を助ける。実はその男の子は人間に化けた妖怪のまめ太だった。その頃、日本各地では奇妙な怪奇現象が目撃され、ニュースになっていた。そんななか、しんのすけ一家は秋田のひろしの実家に帰省する。盛大な花火大会を楽しみにしていたしんのすけたちだが、帰省した翌朝、「おばけーしょん村」のチラシに誘われて、山奥の奇妙な空間に迷いこんでしまう。そこは、人間が立ち入ることを禁じられた「妖怪の国」の入口だった。おしりだまを抜かれて、ひろしとみさえは妖怪になってしまい、一家は大ピンチ!まめ太ら妖怪の仲間たちの助けを借りて、おしりだまを取り戻しに、妖怪の国の城にむかうのだが...。はたして、しんのすけたちは無事に人間界へ戻ることができるのか?小学中級から。