Yoko Horiuchi

is a CR patient who hosted two Collabos Bugsters.
==Character History==
to be added
==Forms==
The is the monster form of a Bugster-infected patient when the virus first flares up. When a Bugster-infected patient experiences enough stress, the Bugster Viruses inside multiply rapidly and overtake the patient's body, forming a giant orange virus form around it; the Union's shape seems largely irrelevant to the Bugster's appearance. Bugster Unions can only be defeated by a Kamen Rider in Level 1; the reason why is unexplained, though it may be because other Levels are too strong and may injure the patient inside the Union.
==Behind the scenes==
===Portrayal===
Yoko Horiuchi is portrayed by , who would later go on to portray in .
==Appearances==
* Kamen Rider Ex-Aid
**Episode 6: A Hollow Beating in the Heart!
Category:Civilian
Category:Ex-Aid Characters
Category:Bugster-infected Patients
Category:Female Monsters