Masaru Aso was the lab assistant of geneticist Doctor Mochizuki, used as one of his experiments related the creation of the Neo Organism, enabling him to transform into a grasshopper-like being called Kamen Rider ZO. He fled into the mountainside and went into a coma before he was awakened by a telepathic call two years later with an unconscious urge to protect Hiroshi Mochizuki, the son of Doctor Mochizuki.
Hiroshi Tsuchikado
Isao Sasaki
Shohei Shibata
Hiroshi Inuzuka
Naomi Morinaga
Score: 8.0
Score: 4.1
Score: 3.8
Score: 6.6
Score: 7.0
Score: 0.0
Score: 7.3
Score: 0.0
