Head to head
Kaijuu 8-gou: Narumi no Heijitsu vs One Punch Man
Side by side on community score, how it's rated, audience size and how long each takes to watch. Data from Kitsu, refreshed daily.
Left in charts
Kaijuu 8-gou: Narumi no Heijitsu
★ 7.23 · 2026
Right in charts
One Punch Man
★ 8.34 · 2015
The short version
- One Punch Man is rated higher by the community: 8.34 vs 7.23.
- One Punch Man is more widely watched, with 2246× the members.
- Kaijuu 8-gou: Narumi no Heijitsu is the quicker watch, 4h 36m shorter.
- Fans favorite One Punch Man more often (0.8% vs 0.0% of members).
- They share Science Fiction.
| Kaijuu 8-gou: Narumi no Heijitsu | One Punch Man | |
|---|---|---|
| Community score | 7.23 | 8.34higher |
| Rank by score | #4,053 | #84better |
| Members | 240 | 539,062more |
| Favorited by | 0.0% | 0.8%more |
| Time to watch | 12mshorter | 4h 48m |
| Episodes | 4 | 12 |
| Format | ONA | TV Series |
| Aired | 2026 | 2015 |
| Status | Finished | Finished |
| Studio | – | MADHOUSE |
| Age rating | – | R |
How each is rated
Share of ratings at each star level · 9★–10★: 11% vs 62%
- Kaijuu 8-gou: Narumi no Heijitsu
- One Punch Man
0%30%60%
1★2★3★4★5★6★7★8★9★10★
Show as table
| Kaijuu 8-gou: Narumi no Heijitsu | One Punch Man | |
|---|---|---|
| 1★ | 0% | 4% |
| 2★ | 0% | 0% |
| 3★ | 0% | 0% |
| 4★ | 6% | 6% |
| 5★ | 3% | 1% |
| 6★ | 32% | 1% |
| 7★ | 37% | 18% |
| 8★ | 10% | 7% |
| 9★ | 3% | 8% |
| 10★ | 8% | 54% |
Time to watch
Episodes × episode length, openings included
Show as table
| Item | Runtime |
|---|---|
| Kaijuu 8-gou: Narumi no Heijitsu | 12m |
| One Punch Man | 4h 48m |
Only Kaijuu 8-gou: Narumi no Heijitsu
Shared genres
Only One Punch Man
More comparisons
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Kaijuu 8-gou: Narumi no Heijitsu vs One Punch Man FAQ
Is Kaijuu 8-gou: Narumi no Heijitsu better than One Punch Man?
By community score, One Punch Man is ahead (8.34 vs 7.23). Both are science fiction, so taste decides the rest.
Which is longer, Kaijuu 8-gou: Narumi no Heijitsu or One Punch Man?
One Punch Man is longer: 4h 48m against 12m.
Which is more popular?
One Punch Man has more members on Kitsu (539,062 vs 240).
If I liked Kaijuu 8-gou: Narumi no Heijitsu, will I like One Punch Man?
Probably, if it was the science fiction side you enjoyed.