The story follows , a reserved high school student living in a rural town, haunted by a past tragedy involving his late sister, Karen. His life changes when he stumbles upon the local urban legend: the Urashima Tunnel .
While the movie follows the core plot of the light novel, there are significant differences:
Realizing they both need the tunnel to fulfill their dreams, Kaoru and Anzu form a secret pact to investigate its mechanics together, leading to a deep emotional bond that challenges their original goals. The Rules and Science of the Tunnel natsu e no tunnel sayonara no deguchi full
The true "exit" of the tunnel is not merely physical, but emotional—learning to say goodbye to the past to embrace the future. 4. Visuals and Atmospheric Direction
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. The story follows , a reserved high school
The film takes place in a small Japanese town, where we meet our three protagonists: Aoi, a free-spirited and adventurous high school student; Dai, a charming and laid-back musician; and Minami, a quiet and introspective bookworm. The three friends have been inseparable since childhood, sharing their joys, sorrows, and secrets with each other.
The title— Natsu e no Tunnel, Sayonara no Deguchi —translates to . At its core, the story is a single-volume Japanese light novel written by Mei Hachimoku and illustrated by Kukka . It was first published by Shogakukan under its Gagaga Bunko imprint on July 18, 2019 . What started as a critically acclaimed light novel quickly expanded into a broader universe: a manga adaptation, titled The Tunnel to Summer, the Exit of Goodbyes: Ultramarine and illustrated by Koudon, was serialized from July 2020 to November 2021 and later collected in four volumes. The story’s popularity also paved the way for a feature-length anime film, which was released in Japan on September 9, 2022 . The Rules and Science of the Tunnel The
The tunnel does not actually manifest new items out of thin air; it only restores things or people that have been lost. 👥 Key Character Breakdown
The Japanese title uses "sayonara" —not "ja ne" (see you later). Sayonara implies a final farewell. The film concludes that true maturity is not holding on but learning to let go. When Kaoru finally says goodbye to Karen, he is not abandoning her; he is honoring her memory by living his own life.
Answering this would spoil the film's powerful and emotional conclusion. The ending is one of the most talked-about aspects of the story, and it's best experienced by watching it unfold for yourself.