IO basically starts of as a distinctive Harem, Romantic, Comedy, but as you go on you’ll discover that there is more to this manga, once the Supernatural, Mystery element surfaces.
It follows the endeavours of your average city boy (Taiyo), who visits Okinawa, only to end up meeting 3 girls. It appears that he once was acquainted with the sisters, some time in the past, yet he can't seem to recall any of it. That’s basically how it all begins and behind what would seem like a typical Rom/Com lies a fantastic story of supernatural mystery, scuba diving and ancient relics. The way in which the
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 Alternative TitlesJapanese: イオ InformationType: Manga
Volumes: 10
Chapters: 55
Status: Finished
Published: Aug 19, 1999 to Oct 15, 2004
Theme:
Harem
Demographic:
Seinen
Serialization:
Bessatsu Young Magazine Authors:
Koio, Minato (Story & Art) Statistics Ranked: #45402 2 based on the top manga page. Please note that 'R18+' titles are excluded. Popularity: #3477
Members: 6,382
Favorites: 58 | Reviews
Filtered Results: 4 / 4
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Aug 11, 2008
This was one of the most unique stories that I've had the privileged of witnessing in a long time. This was a cross between harem, mystery, Romance, and sport (if you consider scuba diving a sport that is).
Story: The story starts out with a class trip down to some tropical islands where our lead protagonist meets a girl who blames him for killing her mom. One thing leads to another and the next thing he knows he's learning how to scuba dive with some long lost, and apparently forgotten friends. Now this story really has two stages to it. It ... 
Dec 29, 2015
Gosh, it must have been while I was in college that I read this manga. Now several years later, with a bit of time to spare, I saw it pop up again in my browser history (yeah, yeah, I really need to clean it up one of these days) and couldn't stop myself from diving right into it (you see what I did there? *wink* *wink*).
I can tell you one thing: it was a mistake. A horrible mistake. No, not because it was terrible. I fell in love with it once more (as far as that's possible with something on paper/your computer screen) and couldn't help ... 
Sep 10, 2016
IO starts with the protagonist traveling to Okinawa on a school trip takes a detour after three girls who claims to be her sister. This manga is all in all a romance-mystery with addition of Comedy,Harem and supernatural.
Art:10 If you want to see some outstanding art of underwater/ scenic beauty, I will recommend this as one of the best. The views drawn on first few chapters are enough to lure you to read this entire series. Also the characters are designed pretty well. There were few scenes where you might confuse between Taiyo and Shibuki (they have similar face and shoulder length hair at ... |
