Rio's journey from real-world builder to Metaverse competitor collapses three episodes into what should have been a full season, but the animation leap alone justifies the watch for anyone who lived through Build Fighters. Every cameo lands because you've already spent years with these characters, and the nostalgia hits harder when paired with genuinely distinct OSTs for each legacy storyline. This exists to celebrate a decade of Gunpla obsession, not to tell a complete story, so measure it by that standard instead.
Rio Hojo straddles two worlds: the physical workshop where he constructs Gunpla models alongside mentor Seria, and the Metaverse, a digital realm where builders pilot their creations in battle. This new virtual space has transformed the hobby into something bigger, letting players compete, customize, and trade in real-time with a global community. As Rio completes his custom Gundam, the Lah Gundam, he's finally ready to test himself against serious opponents. But the Metaverse has drawn some legendary names: former champions who've built their reputations on superior piloting and engineering. When Rio crosses paths with these veterans in the digital arena, he realizes he's entered a competition that demands far more than technical skill. What unfolds is a collision between preparation and instinct, tradition and innovation. Rio must decide whether mastering the craft in isolation has actually prepared him for the real test: reading opponents, adapting on the fly, and discovering what his original creation can truly do. This is the next evolution of Gunpla culture, where passion meets performance.