Kamen Rider Kuuga
Assuming the form of a woman dressed in black, Mebio emerged in Tokyo where she began her rampage. She soon encountered and fought Kuuga, but the fight was interrupted when a policeman shot at her, with the bullet landing in her eye.
Angered at the loss of her eye, Mebio attacked to the police force for revenge, in a rampage that killed the husband of Hikari Enokida. Mebio was later attacked by Kuuga, who chased her down on the TryChaser and destroyed her with his Mighty Kick.
World of Kuuga
Zu-Mebio-Da was part of a group of humans who were turned into Gurongi by N-Gamio-Zeda. Some were later absorbed by him in a last effort to power him up to defeat Kuuga and Decade. The remaining Gurongi died once Gamio was defeated.
All Riders vs. Dai-Shocker
Zu-Mebio-Da was among many revived monsters who were a part of the Dai-Shocker army in the World of Decade that fought agaisnt the a gathering of 25 Kamen Riders.