Gunpla Battle Nexus Online (GBN) is a network game that lets people have adventures with their Gunpla in a virtual cyberspace dimension. Middle-school students Riku Mikami and Yukio Hidaka recruit their classmate Momoka Yashiro and dive together into this vast world. Becoming "Divers," or inhabitants of GBN, they meet a mysterious girl named Sarah who has an amazing sensitivity to Gunpla. As they meet new friends and allies, the force known as Build Divers is born!

Yusuke Kobayashias Riku Mikami (voice)
Chiaki Kobayashias Hiroto Kuga (voice)
Mayu Minamias Parviz (voice)
Haruka Teruias Sara (voice)
Mai Fuchigamias May (voice)
Natsumi Fujiwaraas Yukky (voice)
Masaaki Mizunakaas Kazami Torimachi (voice)
Nene Hiedaas Momo (voice)
Jun Kasamaas Kyōya Kujō (voice)
Show Hayamias Rommel (voice)
Hideakira Kimura