A possible concise summary is:
The narrator and his friends travel across Hokkaido, Japan's northernmost island, and experience various activities such as ice-breaking boat ride, prison tour, ice fishing, and poker game. They document their journey with humor, commentary, and facts. They also face some challenges such as lack of drift ice, difficulty in opening doors, and catching small fish. They enjoy the scenery, the food, and the company of each other.
Some possible facts extracted from the text are:
- The text is a transcript of a video series called Journey Across Japan Frozen Frontiers.
- The narrator and his friends visited the Sea of Okhotsk, Abashiri Prison, and Kanayama Lake in Hokkaido.
- They went on an ice-breaking boat called Aurora, but they only saw one iceberg.
- They learned about Yoshie Shiratori, the only man who escaped from Abashiri Prison, by using miso soup to corrode his handcuffs and bars.
- They stayed in a wooden cabin with a bar room and a creepy David Lynch-style room.
- They went ice fishing and caught 15 fish, which they ate as tempura.
- The narrator's name is Chris Broad, and he runs a YouTube channel called Abroad in Japan.