Gundam Build Fighters: Steel Builders (Novel)

Gundam Build Fighters: Steel Builders (ガンダムビルドファイターズ: 鋼のビルダー) is a Japanese light novel series that is based on the ONA series in the same name. The novel features a similar but slightly different story from the ONA.

Differences from the Anime

 * Kenji's childhood Gunpla is a HGUC Zaku II instead of the Zaku II F2 type.
 * Ringo and Ains are 2nd years.
 * Kenji only uses his customized Barbatos in his present Gunpla battles, and does not have a backup Graze kit.