Every second Kaoru spends inside is a second of his high school life—his friendships, his remaining family, his chance with Anzu—vanishing forever. The film’s greatest strength is how it visualizes . We all have a "tunnel" we want to run into: a past mistake we’d do anything to undo, a person we’d give anything to see again. But this story warns us that the past is a jealous lover. It will take everything you have left. The Heart: Anzu Hanashiro While Kaoru is the driver, Anzu is the soul. An outcast due to a visible scar on her face and a painfully blunt personality, she has built walls around herself that rival Kaoru’s. Her art—manga panels filled with surreal, floating figures—is her own tunnel.
Rating: 9/10 Best watched on: A rainy evening, with tissues nearby. Natsu e no Tunnel- Sayonara no Deguchi
When the enigmatic and isolated Anzu Hanashiro—an artist carrying her own deep scars—discovers Kaoru’s obsession with the tunnel, they strike a dangerous bargain. Together, they will explore the tunnel to reclaim what they’ve lost. But as they venture deeper, the film asks us: Are some doors meant to stay closed? On the surface, the Urashima Tunnel (named after the Japanese folktale of the fisherman who visited an undersea palace and returned centuries later) is a fantasy device. But in practice, it’s a brutal mirror. Every second Kaoru spends inside is a second
Some stories grab you by the heart, squeeze hard, and refuse to let go long after the credits roll. Natsu e no Tunnel, Sayonara no Deguchi (The Tunnel to Summer, the Exit of Goodbyes) is precisely that kind of film. But this story warns us that the past is a jealous lover
Based on the award-winning novel by Mei Hachimoku, this 2022 anime movie is not just a summer ghost story or a sci-fi romance. It’s a raw, visual poem about grief, guilt, and the impossible cost of running away from pain. The story follows Kaoru Touno, a boy haunted by the sudden death of his younger sister. Unable to move past his guilt, he discovers the "Urashima Tunnel"—a legendary local passage that grants a wish to anyone who enters. But there’s a terrifying catch: the tunnel steals time. A few minutes inside could mean months, even years, lost in the real world.