Defense Devil

Defense Devil
The first volume of Defense Devil, published in Japan by Shogakukan on August 18, 2009
ディフェンスデビル (Difensu Debiru)
Genre	Action, Comedy, Supernatural, Detective fiction
Manga
Written by	Youn In-wan
Illustrated by	Yang Kyung-il
Published by	Shogakukan
Demographic	Shōnen
Magazine	Weekly Shōnen Sunday
Original run	April 2009 – September, 2011
Volumes	10

Defense Devil (ディフェンスデビル, Difensu Debiru, Romanized as DEFENSE DEVIL in Japan) is a Japanese manga written by Youn In-Wan and illustrated by Yang Kyung-il. It was serialized by Shogakukan in Shōnen Sunday from April 22, 2009 to June 10, 2011. The story is about a banished demon named Kucabara who decides to become a Defense Devil in order to gather up dark matter which he needs to regain his devil powers again.

Kucabara was recently banished and stripped of his powers. In order to regain his powers, he needs Dark Matter (ダークマター, Daaku Mataa) which is found from human sinners. He decides to become a Defense Devil in order to get dark matter. A Defense Devil's duty is to prove the innocence of human sinner of his or her crime; once that is done, a Defense Devil shall be allowed to take the sinner's dark matter. Kucabara then must prove the sinner's innocence before a Shinigami (死神, lit. Death God) takes the sinner to hell. One day, Kucabara's friend Funi arrives and tells him the demon world is in dishevel and Kucabara must return to save it. Kucabara, with the aid of his friends, Bichula the dragon demon and a female exorcist named Idamaria, infiltrates the demon world; they discover the source of the chaos to be Kucabara's younger brother, Legato, and set out to confront him. Eventually, they realize Legato was gathering energy to destroy the angels who reign control over Hell. After confronting Elimona and the angels, Kucabara is called by God and is taken to heaven. Kucabara returns to his friends and the series ends with him recruiting his friends to defend God who has been betrayed by his angels.

Yang Kyung-Il and Youn In-Wan first created a one-shot of Defense Devil titled "Akuma Bengoshi Kukabara" (悪魔弁護士 Kukabara, lit. "Devil Advocate Kukabara") for a 2008 issue of Sunday GX. After the release of the first tankōbon volume, the authors began a blog on the Shōnen Sunday website about their progress with the series. A contest was held in celebration of the second tankōbon volume where 100 winners are given autographed artwork by the authors.