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: 5.6
Score: 6.1
Score: 7.7
Score: 6.0
Score: 6.4
Score: 8.7
Score: 5.8
Score: 6.9
