Representing Kamen Rider G4 from the film Gekijouban Kamen Rider Agito: Project G4, this Bandai S.H.Figuarts figure embodies the silhouette and energy of the hero in a 1/12 scale. The figure stands roughly 140 millimeters tall, a compact but striking presence on display. The sculpt reproduces the armored plates and streamlined lines of G4, with careful attention to the chest emblem, gauntlets, and leg armor, giving a faithful impression of the character's mechanical feel. Painted details catch light at the edges, while subtle shading adds depth to the recesses of the armor. The joints are designed for broad range of motion, allowing dynamic action poses from calm stances to mid-air strikes. Overall, it’s a premium collectible designed for fans who want a portable, museum-quality representation of this movie Rider.

Within the film, Project G4 is introduced as a specialized Rider unit created to counter the rising threats tied to the Agito universe. Kamen Rider G4 emerges as a high-tech, chrome-plated fighter who mirrors and challenges Kamen Rider Agito, embodying a prototype attempt to fuse human courage with machine precision. As the plot unfolds, G4 is deployed by a shadowy faction to test tactical superiority, leading to confrontations that push G4's armor and mobility to their limits. The encounters with Agito force both heroes to review the ethics of powered suits and the cost of unchecked power. Through battles and revelations, the G4 project reveals its true purpose and its place within the larger battle for humanity against unknown forces, ultimately shaping the fate of both heroes and the world they protect.