With the Gyaos re-emerging, Gamera's ties to humanity have been severed with his bond to Asagi broken. Nagamine and Asagi investigate while an orphaned girl named Ayana discovers a new creature she names Iris. Nagamine and Asagi must reach Ayana before she takes her revenge on Gamera, who she blames for the death of her family.
Ayana Hirasaka
Dr. Mayumi Nagamine
Young Ayana Hirasaka
Asagi Kusanagi
Miyuki Moribe
Satoru Hirasaka
Mito Asakura
Shinya Kurata
Tsutomu Osako
Masaaki Saito
Sakurai
Akio Nojiri
Ayana's father
Ayana's mother
Moribe family matriarch
Yawata Marine Insurance representative
March 6, 1999
Ayana Hirasaka
Dr. Mayumi Nagamine
Young Ayana Hirasaka
Asagi Kusanagi
Miyuki Moribe
Satoru Hirasaka
Mito Asakura
Shinya Kurata
Tsutomu Osako
Masaaki Saito
Sakurai
Akio Nojiri
Ayana's father
Ayana's mother
Moribe family matriarch
Yawata Marine Insurance representative
