Shin chan Me and the Professor on Summer Vacation The Endless Seven-Day Journey

Hiroshi must travel to Kyushu to attend a business meeting, and so the Nohara entire family chose to visit Misae, Kumamoto, a acquaintance from their childhood.
However, when they reach Kumamoto Station on their way to Assou They meet an odd man, who offers them a camera that is even more bizarre under the condition that they act as his witnesses…
With his brand new camera in hands, Shinnosuke can enjoy his summer vacation in the beautiful Assou mountain range in the most beautiful way. Shinnosuke was amazed to discover animals in the fields of Assou and mountains that were not discovered in Kasukabe. The town has many people who will help him along with create new acquaintances.
They look much like his children who are from his back home?

Shinnosuke spotted a gigantic creature silhouetted against the full moon in a cool day in summer. In front of the beast is a man who has a large smile.
A similar man handed his camera at the police station…
The man is known as Professor Akuno. Assou can be a witness to even more odd events in the aftermath of this confrontation.