Junkyard is a group of engineers who give life and purpose to things that have been destroyed and discarded. Serpent Tail is a mercenary unit that fights on behalf of the powerless. Row Gheul and Gai Murakumo, who both handle Astrays, are good friends and rivals! However, Serpent Tail receives a request for a mission from a mysterious person called "Limitless." That mission is to "eliminate Row Gheul"...!?

K' (K-Dash) is a four volume doujinshi compilation released by Kodansha containing oneshots by a number of different authors and artists. The first two issues contained short stories by published mangaka such as CLAMP and Ikumi Mia (amongst others). The first issue was released in December 2002 at Comiket 63, while the second was released in March 2003 to commemorate the opening of the K-Square store. These two issues contained short comedic stories from CLAMP; Tokyo Tower Kankeisha Kakui (characters from Chobits, Rayearth and Cardcaptor Sakura running into each other in the Tokyo Tower) and Murikuri Holic (Watanuki and Yuuko working at the K-Square store while characters from Murikuri look on) The third and fourth issues consisted primarily of work from doujinshi artists.

In the Future Century (F.C.), humans have ruined the Earth. Much of mankind has abandoned Earth for space colonies, with each country on Earth having a corresponding space colony. Instead of having wars, a "Gundam Fight" is held every four years, where a representative will pilot a Mobile Fighter and compete with other Gundams until only one is left. The winning country is allowed to rule the Earth for four years until the next Gundam Fight. This Re:Master Edition features a new two-part bonus chapter and a lot of redrawn art

In the Future Century (F.C.), humans have ruined the Earth. Much of mankind has abandoned Earth for space colonies, with each country on Earth having a corresponding space colony. Instead of having wars, a "Gundam Fight" is held every four years, where a representative will pilot a Mobile Fighter and compete with other Gundams until only one is left. The winning country is allowed to rule the Earth for four years until the next Gundam Fight.