Also known as: 仮面ライダーギーツIX, ギーツIX, ギーツバスターQB9
The final form of Kamen Rider Geats, sporting White Armor and a Cape styled after a nine tailed fox.
After managing to reunite with his mother Mitsume and obtain the power of creation that she once wielded, Ukiyo Ace transforms using the powerful Boost Mk-IX Buckle, giving him access to the Geats Buster QB9 Gunblade and obtaining the power he needs to realize his new ideal world - one where everyone can be happy.