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Tatsuya Tsugawa loses his wealthy parents in the middle of high school. Trying to fulfill his fathers dying wish of him becoming an upstanding man, Tatsuya attempts to save a girl from obsessive bullies only to be consumed with an obsession himself. But what will Tatsuya do when his good will and earnest efforts lead him into a twisted fantasy world infested with mermaids and mind-controlling parasites?    
General Information Edit
English Name AiON
Japanese Name: 碧海のAiON
Romaji: Hekikai no Aiōn
Publisher Fujimi Shobo
Start Year 2010
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Aliases Hekikai no Aion
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