![Koichi Nanase and Nanami Nanase in front of their respective Gunpla Battle Nexus avatars](https://sisterbrothercomplex.wordpress.com/wp-content/uploads/2021/12/gundam-build-divers-koichi-nanase-and-nanami-nanase.jpg)
Koichi Nanase is a former top-ranked Gunpla battler who left the fighting arena even though he still loves Gunpla. Meanwhile, his younger sister, Nanami, works at a Gunpla store even though she isn’t a dedicated fan herself.
From the anime series Gundam Build Divers