Gravion (aka "Gradion") is the first super-robot anime directed by Masami Oobari. Each volume's FIrst Press Limited Edition comes with a character figure, and a part of a "God Gravion" action figure. 6 parts from 6 volumes will comprise a whole action figure. This volume includes an action figure of Mizuki, and God Gravion's "left leg." A booklet included.