Ep. 4: The group embarks on a challenging overnight journey to Hokkaido hot springs.

The characters organize a summer road trip destination in Hokkaido. Their travel plans transform into a difficult overnight race to reach the hot springs. This journey tests their endurance as they navigate the grueling path to their destination. The narrative focuses on the physical challenges and competitive nature of the trip rather than leisure activities. The group faces significant obstacles during the transit, emphasizing the strenuous effort required to arrive at the thermal baths. This summary reflects the core premise of the travel adventure without adding external details or character developments.

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