She was a popular idol in the early 2000s from the idol group called Iron Frill.
Birth: March 7, 1992
Death: August 4, 2008
Cause of death: struck by lightning during a concert. Because of how she died, she is afraid of lighting.
When alive, Ai demonstrated a cheerful and determined personality, but after becoming a zombie she became rather skeptical and suspicious. As she gradually begins to warm up to her group, she begins to act like herself. She has shown a supportive side when aiding the other members with her idol experience.
(Source: Zombieland Saga Wikia)