Demekin Review: Story, Cast, Rating & Final Verdict
Last updated: May 14, 2026
Movie Overview: Demekin
| Movie | Demekin |
| Release Year | 2017 |
| Director | Yoshitaka Yamaguchi |
| Genre | Action / Adventure / Romance |
| Runtime | 116 minutes (1h 56m) |
| Language | JA |
Quick Verdict: Hit or Flop?
Is Demekin (2017) worth watching? According to our cinematic analysis, the film stands as a ABOVE AVERAGE with a verified audience rating of 6.3/10. Whether you're looking for the box office collection, ending explained, or parents guide, our review covers everything you need to know about this Action.
Cast & Character Study
The performances in Demekin are led by Kentaro Ito . The supporting cast, including Yuki Yamada and Rion Takahashi , provides the necessary layers to the central narrative.
movieMx Verdict: Is it Worth Your Time?
What Works in the Movie
While Demekin does not fully realize its potential, it still contains moments that may appeal to viewers who enjoy Action films.
- Interesting concept or premise
- Some entertaining scenes
- Supporting cast delivers occasional highlights
What Doesn't Work
Despite its strengths, Demekin has a few issues that may affect the overall viewing experience, particularly in terms of pacing and narrative consistency.
- Uneven pacing in certain parts of the film
- Some predictable plot developments
- May not appeal to audiences outside the Action fanbase
Story & Plot Summary: Demekin
Quick Plot Summary: Released in 2017, Demekin is a Action, Adventure, Romance film directed by Yoshitaka Yamaguchi, written by Shin Adachi. The narrative delivers highly intense sequences and pulse-pounding confrontations that keep viewers on the edge of their seats. It provides a scannable look at the movie's central conflict involving Kentaro Ito as Masaki Sata.
Ending Explained: Demekin
Demekin Ending Explained: As a child, Masaki Sata was teased and bullied because of his appearance and called “Demekin” (popeyed goldfish). Directed by Yoshitaka Yamaguchi, this 2017 action film stars Kentaro Ito (Masaki Sata), alongside Yuki Yamada as Atsunari, Rion Takahashi as Makatsu, Taketo Tanaka as Yoji. With a 6.3/10 rating, the ending has divided audiences.
What Happens at the End of Demekin?
As a child, Masaki Sata was teased and bullied because of his appearance and called “Demekin” (popeyed goldfish). He decided to fight back and eventually became unbeatable in fights. His red hair also became a trademark. Masaki Sata and his buddy Atsunari then spent their days fighting and riding motorcycles. After middle school, Masaki Sata went on to high school and Atsunari begins to work at a ramen restaurant. One day, Atsunari comes up with the idea of starting a motorcycle gang with Masaki Sata. What awaits for them are enemies.
Yoshitaka Yamaguchi's narrative builds toward a resolution centered on Kentaro Ito (Masaki Sata)'s journey. He decided to fight back and eventually became unbeatable in fights.
How Does Kentaro Ito (Masaki Sata)'s Story End?
- Kentaro Ito: Kentaro Ito's storyline wraps up in the final act, though some viewers have found the resolution more ambiguous than expected.
- Yuki Yamada (Atsunari): Yuki Yamada's role in the climax proves pivotal to how the central conflict resolves.
- Rion Takahashi (Makatsu): Rion Takahashi's character undergoes a significant shift in the final act.
What Does the Ending of Demekin Mean?
Demekin's ending attempts to resolve the major plot threads, though some narrative elements involving Kentaro Ito may feel rushed. Yoshitaka Yamaguchi's final act has been both praised for its ambition and criticized for its execution.
Demekin Real vs. Reel: Is it Based on a True Story?
Is Demekin Based on a True Story?
No, Demekin is a work of fiction. While the action, adventure, romance film directed by Yoshitaka Yamaguchi and starring Kentaro Ito may incorporate realistic themes, the characters and plot are original creations.
Who Should Watch Demekin?
Age Advisory: Rated Not Rated.
Worth Watching If You:
- Enjoy Action films and don't mind familiar tropes
- Are a fan of Kentaro Ito or the director
- Want an adrenaline rush without demanding perfection
Where to Watch Demekin Online?
Streaming Hub📺 Stream on
Hulu
U-NEXT
Toei On Demand Amazon Channel🎟️ Rent on
Amazon Video
Apple TV Store
Google Play Movies
FOD🏷️ Buy on
Amazon VideoApple TV StoreGoogle Play MoviesDemekin Parents Guide & Age Rating
2017 AdvisoryWondering about Demekin age rating or if it's safe for kids? Here is our cinematic advisory:
⏱️ Runtime & Duration
The total runtime of Demekin (2017) is 116 minutes (1h 56m). Directed by Yoshitaka Yamaguchi, the film runs for 116 minutes in its complete theatrical version.
Verdict Summary
Analyzing the overall audience sentiment, verified rating of 6.3/10, and global performance metrics, Demekin is classified as a ABOVE AVERAGE. It remains an essential part of the 2017 cinematic calendar.
Frequently Asked Questions
Is Demekin worth watching?
Demekin is definitely worth watching if you enjoy Action movies. It has a verified rating of 6.3/10 and stands as a ABOVE AVERAGE in our box office analysis.
Where can I find Demekin parents guide and age rating?
The official parents guide for Demekin identifies it as Not Rated. Our detailed advisory section above covers all content warnings for families.
What is the runtime of Demekin (2017)?
The runtime of Demekin (2017) is 116 minutes (approximately 1h 56m).
movieMx Verified
This review has been verified for accuracy and editorial quality by our senior cinematic analysts.
This analysis is compiled by our editorial experts using multi-source verification and audience sentiment data for maximum accuracy.
