Nekketsu Uchuujin

Hot-blooded Alien

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Alternative Titles

Japanese: 熱血宇宙人
English: Hot-blooded Alien
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Type: ONA
Episodes: 1
Status: Finished Airing
Aired: Oct 31, 2009
Producers: None found, add some
Licensors: None found, add some
Studios: None found, add some
Source: Original
Genres: ComedyComedy, Sci-FiSci-Fi
Duration: 2 min.
Rating: PG-13 - Teens 13 or older


Score: 5.201 (scored by 993993 users)
1 indicates a weighted score.
Ranked: #121162
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #11577
Members: 1,708
Favorites: 0

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Ranked #12116Popularity #11577Members 1,708
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Episodes: /1


A short in which a student named Ai meets an alien with a time machine. Ai also appears in the short Kobe to Watashi.


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Characters & Voice Actors




Yamamoto, Junichi
Director, Script


Opening Theme

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Ending Theme

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Apr 5, 2023
This is a pretty silly short animation, so if you like absurd humor then yeah it's not like you're wasting much time watching it. The visuals are funny and actually well detailed in some parts, and the line delivery gets me. You get exactly what you expect, really. A weird naked grey alien guy helping a girl who is sad about being cheated on. No harm done in checking it out. I enjoyed it, but these are kind of hard to rate much higher. I binge watched a lot of obscure short animations, and while there are some truly beautiful works out there, this one ...
Oct 10, 2013
Mixed Feelings
What is this and why exactly did I watch it? Even after watching this 2 minute short, I can answer neither. I can however tell you what I thought about it and tell you what it's about without spoiling it for you.

A naked man appears out of nowhere in the bedroom of the 19-year-old and heartbroken girl, Ai, and with him, he brings what could solve all her problems.. Or so she thought.

The art and animation quality is what you would expect from a 2 minute, 1 episode ONA, it's not exactly high-end, but it gets the job done and it's surprising detailed at ...

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Poll: Nekketsu Uchuujin Episode 1 Discussion
Frezlaj - Jan 30, 2012
8 repliesby Kristiwazhere »»
May 1, 2020 10:30 PM