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Hekikai no AiON  
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Tsugawa Tatsuya just lost his parents in an accident... but he's trying not to let that keep him too down as he starts high school.

While trying to obey his father's final wish for him to become an upstanding man, he ends up helping a girl who was being bullied. Despite her exceedingly cold nature, he just can't leave her alone... which may not necessarily be to his benefit, as he ends up getting wrapped up in a world where things like parasitic mind-controlling bugs exist...


Related Series

Associated Names
AiON แห่งนทีสีคราม
Aion - Khúc Ca Ngọc Lục

Groups Scanlating
Horobi no Michi
Overload Scans

Latest Release(s)
c.44 by Overload Scans (356d ago)
c.43 by Overload Scans (406d ago)
c.42 by Overload Scans (460d ago)
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Status in Country of Origin
11 Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 7.8 / 10.0 (238 votes)
Bayesian Average: 7.67 / 10.0
 21% (50 votes)
 16% (38 votes)
 25% (60 votes)
 21% (50 votes)
 6% (14 votes)
 5% (13 votes)
 2% (5 votes)
 0% (1 votes)
 2% (4 votes)
 1% (3 votes)

Last Updated
August 8th 2015, 11:59pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Dragon Age (Fujimi Shobo)

Licensed (in English)

English Publisher
Tokyopop (3 Volumes - Dropped)
Viz (Digital; 2 Volumes - Ongoing)

Activity Stats (vs. other series)
Weekly Pos #1005 increased(+88)
Monthly Pos #1490 increased(+277)
3 Month Pos #1967 increased(+178)
6 Month Pos #2284 decreased(-201)

List Stats
On 1582 reading lists
On 736 wish lists
On 262 completed lists
On 80 unfinished lists
On 256 custom lists

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Forum Posts
Hekikai no AiON to End in July 1265 days, 8 hours, 38 minutes ago
@Ch 32, you would... [spoilers] 1400 days, 12 hours, 24 minutes ago
mermaid/merman? 1518 days, 2 hours, 7 minutes ago

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User Comments [ Order by usefulness ]

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Karin? Wait, no--   
Rating: N/A
by xadako
June 1st, 2015, 7:24am
The thing that I realised first from this series is the main heroine herself. It resembles Karin--appearance only--in one way, a lot. Well, I think it's kind of the norm that if the girl is the strong-cold type, the main protagonist is ought to be the naive, crybaby one.
Nevertheless, I sometimes get irritated when he keeps on that "can't everyone be friends?" and "Seine-chan!" attitude, but I tolerate it because he's strong. In another way.

For the plot, I really really like it! It is very creative to use the "Seven Princess of the Seven Seas' (reminds me of Mermaid Melody tho) combines with the "Little Mermaid" story, in which the youngest mermaid lost her voice to the witch. Just like how Seine took Aion from the mermaid.

I also like the extra chapter where the story is kind of related to Chibi Vampire. I also like Chibi Vampire and still complaints about its bittersweet ending, but nah, that is for another place, another time.
Spoiler (mouse over to view)
The one thing that feels missing from this manga is the part of their last battle. It feels rushed and illogical when Ariel is attached to Seine just because she ate Shion's heart. Okay, that explains some part, but it just feels.... weird to me.

Overall, I really like this mangaka and Hekikai no Aion itself <3 Again, the mangaka managed to make such a bittersweet ending. I like it, but at the same time, I loathe it. But I guess, this kind of ending is the most fitting to close the curtain of the manga. Salute.

... Last updated on June 1st, 2015, 7:25am
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Rating: N/A
by ShinyMew
October 22nd, 2013, 2:25pm
I just started this manga, and I have to say, it's quite different from what I imagined. I really thought the girl would be a new Karin in disguise, but she's opposite. This girl has...some very odd issues. REVENGE!! Yep, that's her main goal. I really like her character. She has practically nothing to do that doesn't bother killing. "Deadliness thing to a immortal is boredom," I think this is a line from the story. Her character is the black sheep out of all of the characters; sure, they are all different, but you can always spot her and her unsmiling face.
The male, forgive me I always forget names, has a harem building. Also, there must be a lot of dust floating around since you barley ever see this boy without watery eyes. He freakin' cries at least 5 times per a chapter. may be different after the timeskip, but we will just have to wait on that part.
The sisters. At first, I had a hard time knowing who was who (thank god for the translators altering the text bubbles). Now, I can tell which one is the smiling doof and the evil weak-bodied. They grew on you. I kinda missed them when they didn't appear in the chapter.
Overall romance. Didn't I say this boy has a harem?
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It's very enticing, but it does have its flaws.   
Rating: 8.0 / 10.0
by Shakaku
April 3rd, 2012, 4:25pm
From the get go, this series does it's job at absorbing you into a fast, action-paced plot. It has relatively smooth transitions in between pages and chapters and goes at a nice pace, not too slow nor too fast for the reader to follow.

Plot-wise, this is standard shounen stock. The main character is a normal young boy during his high-school life, but that very same high-school life is shattered when the story begins. The main male lead is really preachy and really likes peace, but what makes a major flaw in his character is his constant indecisiveness.
The main female lead is relatively memorable in design. She fights and fights her enemies like a machine, a machine driven only by revenge. She holds on to her past and refuses to move on from a single point in her life. One major thing that may irk people a bit about her is that she has no sense of forgiveness and refuses to compromise no matter what.

The art in this series is what one would easily expect from KAGESAKI Yuna. Everything is drawn in a very cute and simple manner. However, there are times where you may notice that the proportions on the characters' bodies don't work at all (like legs and arms that are way too short in certain panels), but deformity is common with art styles similar to this one.

Overall, this manga is worth the read. I'd recommend this series to anyone who likes a nice shounen series. Hey, this series even takes place in the same world as Chibi Vampire: Karin, and it has an omake with Karin and Usui's future as a bonus.
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Chibi Vampire   
Rating: N/A
by miltowner
February 7th, 2012, 10:29am
The thing that I like about this series isit'sset in the same world as Chibi-Vampire and we even get to meet Karin again.

I also like that the events of the manga actually affect the lives of the characters, so many manga have soul-shattering battles and then go to school the next day.
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Cool but...   
Rating: 8.0 / 10.0
by imercenary
January 24th, 2012, 8:30pm
Great characters, but the plot is really, REALLY lacking. The story summary is actually really inaccurate after a few volumes. Without giving any spoilers, the "world" where parasitic mind-controlling bugs exist still hasn't been fully explained/fleshed out as of volume 8.
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Kinda Cool   
Rating: 7.0 / 10.0
by McCasper
November 13th, 2011, 3:16am
I don't know why, but usually I have a hard time reading series with a female protagonist. Kagesaki-sensei, however, has an ability to create female protagonists that I, as a male, can actually relate to. Well there's that and the fact that this series doesn't really follow any pre-set guidelines aside from being set in a Japanese high school. Art is good, story is intriguing, characters are mostly multidimensional. Over-all, this is a good series.
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I fucking love this!!!   
Rating: 10.0 / 10.0
by badkittygrl4567
February 12th, 2011, 7:54pm
Fighting and people are realictic but the stuff is magical you know. Like they have powers but they bleed and actually feel pain.(unlike others where they seem fine after being blown up and stuff)

The characters are so cute and they storyline is unique. All in all....I fucking love this! <3 <3 <3
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Rating: 9.0 / 10.0
by ShadowSakura
January 5th, 2011, 6:40am
This manga is quite good, the characters are kinda unique [spolier]like the rich weak orphaned boy who can´t cook despise the fact that other characters with the same characteristics can cook[/spoiler]
seine is funny and cool, but she looks like a flat version of Karin. The drawing style and the story work very good together. All in all it´s a very good manga, but i just can´t fangirl about it, so 9P
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Rating: 10.0 / 10.0
by swiftstrike
December 29th, 2010, 5:28pm
Judging from what it is so far, has some emotional side to the story. Not just about fighting...
Some touching events.

Reminded of mushi-uta with those bugs...
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pretty good   
Rating: N/A
by ice_wolf007
January 19th, 2010, 9:54pm
i find this manga rather nice, the way the characters interact with each other and the way that everything works together makes it a really memorable manga. Hope that they keep coming out with translations. I know im dying to know what happens next ^^
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