12 Beast

12 Beast (トゥエルヴビースト Tueruvubīsuto) is an action adventure manga series written and illustrated by Okayado.

The story revolves around Eita Touga; a Japanese student, gamer addict and ninja practitioner, whose life is thrown into turmoil when he is abducted and teleported to an alternate world by a harpy named Aero.

Beseeched by the world's inhabitants to save them from an army of robotic giants, Eita travels the land in search of his brother and a way home.

The manga is published in Japan by Fujimi Shobo, and began serialization in the Age Premium magazine. When Age Premium was shut down, it transferred to Monthly Dragon Age. It is published in English by Seven Seas Entertainment.

Chapter List and Story Arcs
Chapter List= Story Arcs=

Trivia

 * Volume 2 made it onto the New York Times Manga Best Sellers list, debuting at number 3.