Eiken (manga)
Eiken (エイケン) is a Japanese manga series written and illustrated by Seiji Matsuyama. It was serialized in Akita Shoten's shōnen manga magazine Weekly Shōnen Champion from April 2001 to August 2004, with its chapters collected in 18 tankōbon volumes. The story depicts the life of schoolboy Densuke Mifune after he is forced into the mysterious Eiken Club. It was adapted into a two-episode original video animation (OVA) produced by J.C.Staff. Both the manga and the OVA were licensed for English release in North America by Media Blasters.
Source: Wikipedia
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