Miracle Summer (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

Miracle Summer follows Mahiro as she returns to her hometown after years away and encounters a small miracle that stirs memories she has kept buried. Blending drama with science fiction, the Japanese film has a focused 65-minute runtime and is directed by Cai Ronglin.

Miracle Summer is a 2026 Japanese drama and science fiction film about a woman returning to a place shaped by her past. Its story begins with Mahiro’s homecoming after a long absence and a quiet, extraordinary event that changes what the return means.

Written and directed by Cai Ronglin, the film pairs a personal premise with a speculative element. At 1 hour and 5 minutes, it presents a compact story centered on memory, place and the unexpected disturbance of something long left unspoken.

Miracle Summer movie details

Story without spoilers

Mahiro comes back to her hometown after being away for a considerable period. Her return is followed by a small miracle, an unusual event that brings buried memories back into focus. The film’s drama develops from the tension between her present-day homecoming and the emotional history she has kept deep within herself.

The science fiction element is part of that central premise, but the supplied story details keep the nature of the miracle open. Rather than outlining its consequences, Miracle Summer frames the event as a quiet catalyst for Mahiro’s confrontation with the past.

What to expect

The film can be approached as a concise blend of drama and science fiction. Its premise suggests an intimate story built around a return home, resurfacing memories and a subtle extraordinary occurrence rather than a large-scale speculative scenario.

With a runtime of 65 minutes, Miracle Summer is structured as a focused feature. Viewers can expect the hometown setting and Mahiro’s emotional history to remain central, while the miracle provides the film’s speculative dimension. Specific plot developments and the ending are not disclosed here.

Cast and creative team

The cast includes Nairu Yamamoto, Mao Tanioka, Ichiro Banka, Nariaki Ueyama, Tamaki Mahiro, Akira Mitsunaga, Hotori Takuya, Toru Watanabe and Yuu Tokui. No character assignments are supplied for these performers.

Cai Ronglin directs Miracle Summer and shares writing credit with Mioko Araki. The film is produced by BlueHour Studio.

• Nairu Yamamoto
• Mao Tanioka
• Ichiro Banka
• Nariaki Ueyama
• Tamaki Mahiro
• Akira Mitsunaga
• Hotori Takuya
• Toru Watanabe
• Yuu Tokui

Release and production context

Miracle Summer is a Japanese production in the Japanese language. It is listed as a 2026 film with a release date of October 28, 2026, and a runtime of 1 hour and 5 minutes. Its production company is BlueHour Studio. The film is classified as both drama and science fiction.

Production companies: BlueHour Studio

Movies Dock view

Miracle Summer offers a compact premise in which a return to familiar surroundings becomes a meeting point between the present and long-buried memories. Its combination of intimate drama and a quiet speculative element gives the film a clearly defined focus without revealing more than the story requires.

Film data:
TMDB · IMDb