5 years ago, Asuna informs Kuroto that they have found doctors who have discovered the Bugster virus, namely Taiga, still a radiologist, and his partner Maki. The two doctors are then taken to CR to undergo a series of tests, with one of them being a VR simulation. Taiga enters the simulation and is given the Gashacon Magnum, while a few Bugster Viruses appear before him. Taiga displays exceptional proficiency with the Magnum, and Kuroto, impressed with the results, chooses Taiga to become Kamen Rider Snipe…