to August 5, 2004. Akita Shoten collected its chapters in 18 volumes, released from October 5, 2001, to November 20, 2004.

In North America, the manga was licensed by Media Blasters. They released 12 volumes from July 1, 2005,

A manga remake using artificial intelligence art began serialization on 's ' online platform on April 25, 2024.

Original video animation

A two-episode original video animation (OVA) adaptation produced by J.C.Staff was released on DVD from June 25, 2003, to June 23, 2004. The opening theme and ending theme, "Feel Like Our Days" and "Jewel's Memory", respectively, were both performed by Toko.

In North America, the OVA was licensed by Media Blasters. It was released on DVD on December 14, 2004, It was added to Crunchyroll's catalog in September 2020.

Reception

Eiken was panned by critics for being "obscene" and "lacking substance". Jason Thompson gave the manga a zero-star rating in his review of the series in his Manga: The Complete Guide, calling it "[a]ctual pornography disguised as romantic comedy pseudo-pornography".

Stig Høgset gave the anime a one-star review on THEM Anime Reviews, calling it "one of the most exploitative, demeaning anime titles I have ever seen". He went on say that "Eiken is like an hour-long nightmare of sexual innuendo of the creepy kind... you'll never find a bigger collection of 'wrong' anywhere else."

In Mania.com's reviews, Chris Beveridge gave the anime an "F", while Eduardo M. Chavez gave the first manga volume a "D+".

Notes

References

Further reading

  • Eiken official website at J.C.Staff