Age: 81
Birthdate: April 1, 1980
The protagonist of the series. A diver of the Metal and longtime friend of Eiichiro Kushima. Masamichi was in a diving accident while testing an early Meta-Real technology, and was in a coma for 50 years before awakening as a paraplegic old man. Since the incident, he began searching for the "answer in the sea".
(Source: Wikipedia)