One of his younger brothers, Hiro Tsunoda [ja], is a pop musician.
[3] Shortly after, he became a frequent guest at the Tokiwa-sō apartment building, which brought together Osamu Tezuka with upcoming manga artists.
[5] From 1971 on, he illustrated the series Karate Master based on a script by Ikki Kajiwara and it became a big hit.
Tsunoda became interested in occultism and created manga based on paranormal ideas from the 1970s on.
Kyōfu Shinbun and Ushiro no Hyakutarō are his most famous occult manga.