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Summer Time Machine Blues (2005) movie poster

Characters & Themes

Summer Time Machine Blues (2005) Characters, Setting & Themes Explained

Release, runtime and language
2005 · 107 mins · Japanese
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Directed by
Katsuyuki Motohiro
Starring
Yoko Maki, Kuranosuke Sasaki, Eita Nagayama, Juri Ueno, Tsuyoshi Muro, Takeshi Masu

When a sci‑fi club’s members spill Coke onto their air‑conditioner remote during a sweltering summer, the resulting short‑circuit creates a time‑machine portal in their overheated clubroom, sending them back to yesterday and sparking a series of comedic mishaps.

Comedy Cast, crew & box office
On this page (8)
  1. 1 Where to watch
  2. 2 Characters explained (8)
  3. 3 Where & when it takes place
  4. 4 Themes & meaning (3)
  5. 5 Character & meaning questions
  6. 6 Movie threads
  7. 7 Movies like Summer Time Machine Blues
  8. 8 Every angle
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8 main characters · contains spoilers

Summer Time Machine Blues Characters Explained: Who Is Who

The main characters of Summer Time Machine Blues (2005), heroes and villains: what drives them, how they change over the course of the story and what each of them reveals about the film's bigger ideas.

  • Yui Ito (Yoko Maki)

    A photography club member who quietly documents campus life and notices subtle anomalies in the clubroom. Her observant nature and camera work help reveal hidden tensions as time travel disturbances emerge. She acts as a bridge between present events and the unfolding temporal mystery.

    • 🧭 Insightful
    • 📷 Photographer
    • 🕵️‍♀️ Observant

  • Haruka Shibata (Juri Ueno)

    A fellow student who processes moments through developing photos with Yui. She forms a bond with Takuma and later learns that Tamura may be her future son, adding emotional weight to the journey through time. Her curiosity and warmth help guide others through the uncertain timelines.

    • 💞 Empathetic
    • 🗝️ Connector
    • 📸 Photographic

  • Takuma Komoto (Eita Nagayama)

    A sci‑fi club member who quietly plans a hopeful gesture—asking Haruka out—only to be swept into a web of misreads and time-travel chaos. He is eventually forced to confront the consequences of a journey that leaves him stranded in the past. His optimism contrasts with the surreal danger of altering history.

    • 🎒 Ambitious
    • 🧭 Relatable
    • 🕺 hopeful

  • Professor Kohtaro Hozumi (Kotaro Hozumi)

    played by Kuranosuke Sasaki

    The club adviser, known affectionately as Hoze, who tries to repair the broken remote and warns about the perils of altering the past. His time-travel curiosity hints at larger ambitions and a possible future project. He anchors the group with practical knowledge while guiding them through ethical considerations of temporal meddling.

    • 👨‍🏫 Mentor
    • 🧠 Rational
    • 🧭 Guiding

  • Atsushi Soga (Munenori Nagano)

    The bold member who tests the time machine by sending himself back to August 19. He becomes the pivotal link that reveals the device truly works, and his journey to 1906 places him in a world where he’s mistaken for a mythic creature, blending folklore with sci-fi.

    • 🧗‍♂️ Adventurous
    • 🧭 Explorer
    • 🐉 Mysterious

  • Daigo Ishimatsu (Tsuyoshi Muro)

    A fellow time-traveler who journeys with others to retrieve or steal the remote. His actions propel the plot through several eras, and his choices reveal the tension between curiosity and responsibility. He is part of the trio that travels to yesterday seeking to alter the course of events.

    • ⚡ Impulsive
    • 🧭 Traveler
    • 🧩 Key

  • Tamura (Akira Tamura) (Chikara Honda)

    A sci‑fi club member who arrives from August 20, 2030, and joins the present-day crew after being pulled into the machine. His connection to Haruka becomes a central emotional thread, as clues suggest he is Haruka’s future son. He embodies the mystery at the heart of time travel and intergenerational ties.

    • 🧒 Visitor
    • 🗺️ Stranger
    • 🔮 Enigma

  • Masaru Niimi (Yoshiaki Yoza)

    A clubmate who, in a twist of fate, is revealed to have taken the missing shampoo—an almost mundane detail that becomes part of a larger chain of events. His role ties personal habits to the wider fabric of the day’s upheavals as the remote blurs the boundaries of time.

    • 🦊 Mischief
    • 🧴 Grooming
    • 🧭 Connected

Last updated: October 03, 2025 at 14:20

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Setting

Where and When Does Summer Time Machine Blues Take Place?

The setting of Summer Time Machine Blues (2005): the year and time period, the places and locations, and how they shape the characters, the mood and the tension of the story.

Time period

2005, 1906, 2030

The core events revolve around August 2005 on the university campus. A mysterious time machine sends characters to 1906 and 2030, creating a loop of past, present, and future. These jumps probe memory, cause-effect, and personal relationships, showing how actions in one era ripple across others. The narrative uses these shifts to explore whether time is fixed or pliable.

Location

University in Kagawa Prefecture, Japan; Clubroom (Sci‑Fi and Photography clubs); Bathhouse

The story unfolds primarily on a university campus in Kagawa Prefecture, within a cluttered clubroom that blends science fiction with creative photography. The bathhouse scene adds an everyday, intimate backdrop where tensions surface amid ordinary routines. The setting juxtaposes student camaraderie with uncanny events, hinting at a world where time itself can be unsettled.

  • 🎓 University
  • 🛁 Bathhouse
  • 🎭 Club Life
  • 🕰️ Time Travel

Last updated: October 03, 2025 at 14:20

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3 major themes

Summer Time Machine Blues Meaning: Themes & Message Explained

What is Summer Time Machine Blues (2005) really about? The emotional, social and philosophical themes the film keeps returning to, its symbolism and the message beneath the surface.

  • Time Travel

    Time travel sits at the core of the narrative, driving both curiosity and risk. The group discovers that altering the past can trigger a grandfather paradox with cosmic stakes. The device becomes a mirror for desire, forcing characters to weigh impulse against consequence. The film uses paradoxes to question whether past and future are malleable or destiny-bound.

  • Memory & Connection

    Memories bind the characters as photographs capture moments that threaten to vanish. The time jumps force them to reinterpret who they are through what they remember. Revelations, like Tamura possibly being Haruka’s future son, deepen emotional ties across generations. The story suggests memory can sustain relationships even when time tries to sever them.

  • Friendship & Youth

    On a university campus, friendship sustains the crew as they chase a brilliant but perilous idea. The film contrasts carefree student banter with dangerous experimentation, highlighting trust and responsibility. It shows how young people shape their futures even as time reshapes their world. The ending leaves a hopeful note about real connection despite temporal chaos.

Last updated: October 03, 2025 at 14:20

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Character & theme questions

Summer Time Machine Blues Characters & Meaning: Your Questions Answered

The questions people ask about Summer Time Machine Blues (2005): who the characters really are, their relationships, what the symbols mean, where it takes place and what the movie is really about. Each answer contains spoilers.

Q1

Where is the movie primarily set?

The story takes place at a university in Kagawa Prefecture, Japan, centered around a cluttered clubroom that houses both the Sci-Fi and Photography clubs. A key scene also occurs at a bathhouse, adding an intimate everyday backdrop to the otherwise extraordinary events.

  • kagawa prefecture
  • university
  • clubroom
  • bathhouse
  • japan setting
Q2

When does the story take place?

The main events occur during a sweltering August in 2005 at the university campus. However, the time machine sends characters to 1906 and 2030, creating a narrative that spans three distinct time periods.

  • 2005
  • august
  • time period
  • 1906
  • 2030
  • japan
Q3

What is the movie's main theme?

Time Travel is the central theme, exploring how altering the past can trigger a grandfather paradox with cosmic stakes. The narrative uses the time machine to question whether time is fixed or pliable, and forces characters to weigh impulse against consequence.

  • time travel
  • paradox
  • grandfather paradox
  • time machine
  • consequence
Q4

How does memory play into the story?

Memory and Connection is a major theme, with photographs serving as literal captures of moments that threaten to vanish. The time jumps force characters to reinterpret who they are through what they remember, suggesting memory can sustain relationships even when time tries to sever them.

  • memory
  • photographs
  • connection
  • time jumps
  • relationships
Q5

What role does friendship play in the movie?

Friendship & Youth explores how the sci-fi club members support each other through dangerous experimentation and temporal chaos. The film contrasts carefree student banter with the peril of time travel, highlighting trust and responsibility among young people shaping their futures.

  • friendship
  • youth
  • students
  • club
  • trust
  • responsibility
Q6

Who is Yui Ito and what is her role?

Yui Ito is a photography club member who quietly documents campus life and notices subtle anomalies in the clubroom. Her observant nature and camera work help reveal hidden tensions as time travel disturbances emerge, acting as a bridge between present events and the unfolding mystery.

  • yui ito
  • photography club
  • observer
  • character role
Q7

Who is Haruka Shibata and what is her significance?

Haruka Shibata is a fellow student who develops photos alongside Yui and forms a bond with Takuma. A key revelation suggests Tamura may be her future son, adding emotional weight to the time travel narrative and connecting generations across the temporal loops.

  • haruka shibata
  • photography
  • future son
  • tamura
  • character significance
Q8

What motivates Takuma Komoto?

Takuma Komoto is a sci-fi club member who quietly plans to ask Haruka out, a hopeful romantic gesture. He gets swept into time-travel chaos and is ultimately forced to confront consequences that leave him stranded in the past, with his optimism contrasting against the surreal danger.

  • takuma komoto
  • romance
  • haruka
  • motivation
  • sci-fi club
Q9

Who is Tamura and why is he important?

Tamura arrives from August 20, 2030, pulled into the present-day clubroom through the time machine. Clues suggest he is Haruka's future son, making him central to the emotional thread of intergenerational connections and the mystery at the heart of the time travel narrative.

  • tamura
  • future son
  • 2030
  • haruka
  • mystery
  • time traveler
Q10

What is Professor Kohtaro Hozumi's role?

Professor Kohtaro Hozumi serves as the club adviser, known affectionately as Hoze. He attempts to repair the broken remote and warns about the perils of altering the past, anchoring the group with practical knowledge while guiding them through ethical considerations of temporal meddling.

  • professor hozumi
  • advisor
  • club adviser
  • time travel warning
Q11

Is this a serious or comedic time travel story?

The film takes a consistently whimsical approach to time travel, with mishaps played for comedy rather than drama. Characters are mistaken for mythic creatures like a Kappa, and humorous misunderstandings drive much of the plot despite the universe-ending stakes in theory.

  • comedy
  • whimsical
  • time travel humor
  • kappa
  • tonal tone
Q12

What is the significance of the bathhouse scene?

The bathhouse provides an everyday, intimate backdrop where tensions surface amid ordinary routines. This setting contrasts with the uncanny time travel events, highlighting how the characters' normal lives intersect with the extraordinary temporal disturbances.

  • bathhouse
  • setting
  • contrast
  • everyday life
  • tension

Movie threads

More Movies Like Summer Time Machine Blues, by Mood & Story

Curated lists built around what makes Summer Time Machine Blues tick: the same mood, the same kind of story or the same emotional payoff. Each list explains why these movies belong together.

Chaotic Time-Travel Comedies like Summer Time Machine Blues

Stories where time travel creates hilarious, tangled messes for a group of friends to solve. If you enjoyed the witty time paradoxes in Summer Time Machine Blues, explore more movies like it. This category features films where time travel leads to hilarious, complex situations, perfect for fans of clever sci-fi comedies and stories about friendship solving chaotic puzzles.

  • witty
  • puzzle-box
  • energetic
  • playful
  • clever
  • friendship
  • Tone: whimsical, playful
  • Pacing: fast, energetic
Why these movies?

The story pattern: The narrative revolves around a low-stakes time-travel incident that spirals into a complex web of cause and effect. Characters must work together, often jumping between past and present, to untangle the mess they've created, leading to a satisfying resolution where order is restored through teamwork and wit.

Why they belong together: They share a specific blend of science fiction and comedy, prioritizing clever, puzzle-like plots and character-driven humor over high drama. The group dynamic and lighthearted approach to temporal mechanics create a uniquely fun and intellectually engaging viewing experience.

Summer Time Machine Blues movie poster

Summer Time Machine Blues

2005
Beyond the Infinite Two Minutes movie poster

Beyond the Infinite Two Minutes

2020
Time Bandits movie poster

Time Bandits

1981
Fun2shh… Dudes in the 10th Century movie poster

Fun2shh… Dudes in the 10th Century

2003
Forces of Nature movie poster

Forces of Nature

1999
Bubble Fiction: Boom or Bust movie poster

Bubble Fiction: Boom or Bust

2007
The Hitchhiker's Guide to the Galaxy movie poster

The Hitchhiker's Guide to the Galaxy

2005
Blackadder: Back & Forth movie poster

Blackadder: Back & Forth

1999

Nostalgic Campus Ensemble Comedies like Summer Time Machine Blues

Heartwarming stories about quirky friend groups navigating life and mishaps on campus. Fans of the warm college camaraderie in Summer Time Machine Blues will love these similar movies. Discover stories about quirky friend groups, budding romance, and humorous mishaps, all set against a nostalgic backdrop of campus life and youthful adventure.

  • nostalgic
  • ensemble
  • quirky
  • warm
  • playful
  • college
  • Tone: warm, quirky
  • Pacing: fast, energetic
Why these movies?

The story pattern: The story follows a close-knit, often eccentric, group of friends as they encounter a series of interconnected events or a central problem. The narrative is less about a single protagonist and more about the group's dynamic, how they play off each other's personalities, and collectively navigate the situation, strengthening their bonds.

Why they belong together: They are grouped by their shared setting and mood: a nostalgic, warm portrayal of college life and friendship. The emphasis is on playful, energetic ensemble casts, lighthearted plots with comedic misunderstandings, and an overall feeling of joyful, youthful escapism.

Campus Rhythm movie poster

Campus Rhythm

1943
Big Man on Campus movie poster

Big Man on Campus

1989
Dead Man on Campus movie poster

Dead Man on Campus

1998
The Happiest Days of Your Life movie poster

The Happiest Days of Your Life

1950
Those Were the Days! movie poster

Those Were the Days!

1940
Romy and Michele's High School Reunion movie poster

Romy and Michele's High School Reunion

1997
Happy Together movie poster

Happy Together

1989
Life Begins in College movie poster

Life Begins in College

1937

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Every angle

Summer Time Machine Blues (2005) Explained: Plot, Timeline & Characters

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