Iriya no Sora, UFO no Natsu

Sky of Iriya, Summer of UFO

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Alternative Titles

Japanese: イリヤの空、UFOの夏
English: Sky of Iriya, Summer of UFO
More titles


Type: OVA
Episodes: 6
Status: Finished Airing
Aired: Feb 25, 2005 to Jun 29, 2005
Producers: Happinet Pictures
Licensors: None found, add some
Studios: Toei Animation
Genres: DramaDrama, RomanceRomance, Sci-FiSci-Fi
Duration: 27 min. per ep.
Rating: R+ - Mild Nudity


Score: 6.901 (scored by 1131611,316 users)
1 indicates a weighted score.
Ranked: #46532
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #4352
Members: 26,315
Favorites: 69

Available At


Ranked #4653Popularity #4352Members 26,315
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Episodes: /6


Asaba Naoyuki is an ordinary high school student. As a member of his school's press club, he's just spent the summer camping outside the local military base, in hopes of seeing the UFOs that are secretly kept there, according to local legend. Returning to school, he meets a strange girl, Iriya Kana, and gradually comes to realize that she is more than merely strange - and that a dark secret lies beneath the world that he knows.

(Source: ANN)

Characters & Voice Actors


Shibata, Hiroaki
Itou, Naoyuki
Director, Episode Director, Storyboard, Key Animation
Nakamura, Kenji
Episode Director, Storyboard
Nakao, Yukihiko
Episode Director


Opening Theme

Apple Music
Amazon Music
Youtube Music
"Forever Blue" by Chihiro Imai

Ending Theme

"ひまわり (Himawari)" by Chihiro Imai


Mar 11, 2019
Unfortunately, the anime is only 6 episodes long, which means that it's extremely difficult to understand what is going on for half the show if you haven't read the novel. The setting is Japan at war with certain "enemies." The anime's viewpoint is a restricted 3rd person just behind the MC's back, which doesn't help resolve the viewers' cluelessness.

Story: Boy meets girl. Nothing fresh in 2019, but it's as impactful as ever.

Art: Excellent for 2005.

Sound: Great soundtrack, especially the op.

Character: By far the biggest flaw imo. First, all but 3 characters feel irrelevant to the anime (main guy, main gal, and ...
Nov 7, 2017
I had Iriya no Sora on my list for a long time. Having greatly enjoyed HanTsuki, six episodes isn't a flaw to me, so I was looking forward to it. What I found was an interesting anime to analyze, one that's deeply flawed yet touching.

Story 6: The story is jumbled towards the beginning. The scene is never truly set, characters react to extreme events and statements far more matter of factly than if it were set in modern time. A large part of this is it being only six episodes so it did not have much of a chance for story development. It feels slightly ...
Aug 17, 2015
"I don't remember anything. I DON'T REMEMBER ANYTHING." -Kunihiro Suizenji

What is this show about? No really, I'm not all that sure myself. Something about fighting aliens? I really don't fucking know. There were too many unexplained events to make any sense of it all. Everything seemed to just happen, without any reason as to why it happened. The plot seems to just go all over the place, the characters are a mess, and nothing really makes sense. I can't even describe this show's problems accurately since there's nothing to really even go off of.

Much of the show seems to just exist as filler. Everything ...

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Recent Forum Discussion

Poll: Iriya no Sora, UFO no Natsu Episode 6 Discussion ( 1 2 )
then - Nov 19, 2007
56 repliesby Briegsiel »»
Oct 8, 2023 5:51 AM
Poll: Iriya no Sora, UFO no Natsu Episode 2 Discussion
EuphoricField - Jun 26, 2010
11 repliesby MirandaMc »»
Aug 23, 2022 6:00 PM
Poll: Iriya no Sora, UFO no Natsu Episode 5 Discussion
then - Nov 19, 2007
15 repliesby HanamiDango »»
Aug 23, 2022 4:38 AM
Poll: Iriya no Sora, UFO no Natsu Episode 4 Discussion
then - Nov 18, 2007
11 repliesby HanamiDango »»
Aug 17, 2022 10:33 AM
Poll: Iriya no Sora, UFO no Natsu Episode 3 Discussion
Rezurrekt - Feb 27, 2011
10 repliesby HanamiDango »»
Aug 9, 2022 11:34 PM