maoyuu
Novel series originally submitted to 2ch.net and now published by Enterbrain. Art by toi8.
Originally titled 魔王「この我のものとなれ、勇者よ」勇者「断る!」 and referred to as まおゆう or 魔王勇者. Novel series is titled まおゆう魔王勇者.
Five simultaneous manga adaptations currently exist and an anime adaptation has been scheduled. The manga adaptation Maoyuu Maou Yuusha - "Kono Watashi no Mono to Nare, Yuusha yo" "Kotowaru!" (まおゆう魔王勇者「この我のものとなれ、勇者よ」「断る!」), by the artist Ishida Akira, was selected to be the "official" manga adaptation of the light novels.
http://www.enterbrain.co.jp/pickup/2010/maoyu/
This tag has been aliased to maoyuu_maou_yuusha (learn more).