Finished
“Overworked teen Makoto supports ill sister, faces despair upon learning her limited time, reevaluating life's meaning.”
Massacre Happy End
虐殺ハッピーエンド
7.16
7,234 rank · 14,555 readers · 205 favorites
Psychological
Horror
Mystery
Supernatural
Suspense
Would You Love or Hate This?
AI-powered analysis tailored to your taste
Based on your preference for character-driven stories with layered emotional arcs, this title's exploration of identity and belonging would deeply resonate. The pacing mirrors series you've rated highly, and its thematic depth aligns with your appreciation for nuanced storytelling...
However, the slow initial episodes might test your patience given your history of dropping shows that don't hook you early. The art style shift in the middle arc could also be a concern...
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Honest pros & cons
Based on your library
Synopsis
Overworked teen Makoto supports ill sister, faces despair upon learning her limited time, reevaluating life's meaning.
High school student Kusakabe Makoto has to work all day to raise money for the treatment of his younger sister, who suffers from a serious illness. The father is unemployed, the mother ran away, leaving the children, bullying at work... Despite all this, he does not lose hope and continues to live for his sister. But having learned that she did not have long, Makoto falls into despair. Fear of the unknown causes him to take a different look at the value of human life. (Source: Hakusensha, translated)
What people say
Community consensus
Derived from 14 sampled reviews
7.6
/10
What 14 readers settled on.
91%
recommend
Score distribution
median 8
mode 8
σ 1.99
Agreement
Polarized
σ 1.99 · split reception
The polarity gap
5.6 pts
Recommenders 8.6 · others 3.0
Yes
No
Score over time
↑ 0.57
Running avg · Aug 2021 → Nov 2025
Snap verdicts
· shortest highly-rated reviews
- 10 “First manga that I completed in one sitting, I saw it in a youtube shorts video and I got curious to see what happens next so I jumped into the manga and damn, I was in for a surprise. The plot...”
- 8 “This is a true hidden gem (and it's not just any work that makes me say that), I loved this work and will eventually read more works by this author. A story full of impactful moments, with...”
- 10 “the first 9 chapters are absoulutely masterpiece as the concept of this story are really interesting and engaging , it does get worse after that but is still entertaining and bearable. It get worse...”
Verbosity
Short · 43%
Medium · 14%
Long · 43%
Read Order & Related
Explore the Massacre Happy End universe
Cast
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See all →Publication slate
A Manga Publication
- Format 55 × 8 ch × vol
- Total read 7h 20m approx
- Published Aug 2017 – Dec 2019
- Source Manga media type
- Ref. BS-M54492 catalog