Sana brought Ryusei into the Gunpla club at Sokai High to keep the whole thing from falling apart—membership was tanking and they needed bodies. She wasn't confident in her own skills as a fighter, honestly, but something shifted as she kept at it. The more she built and battled, the more she found her own style and genuinely fell in love with the hobby.
Content compiled by AnimeList.moe from publicly available sources.