[Machine Translation] Aoki Steel no Arpeggio" is a maritime adventure science fiction action series that has captured the hearts of many manga fans, anime fans, and science fiction fans. This fascinating official fan book is packed with fascinating introductions to the characters, specs, secret stories, scenarios from the drama CDs, and the names of the first episode of the series! Moreover, this book also includes two never-before-published "Arpeggio Extra Edition" manga that reveal various mysteries not told in the main series, such as the secret story of the captain Chihaya Gunzo and his childhood friend, Kotono Amou! The book also contains a paper envelope with a limited edition ChaosTCG PR card produced by Bushiroad. It is a very rich book!