Best known for his horror manga and starting the "occult manga" boom of the 70's, Tsunoda has had a long, varied career in the manga biz, with a diverse body of work ranging from shounen comedy to josei erotica. j6l3u

He got started in the 50's, working as an assistant for SHIMADA Keizou while still in high school. His debut, “Shin Momotarou”, got published in 1955. Around this time he became a frequent guest at the legendary Tokiwa-so.
In 1958 he had a first hit with the shoujo comedy Black Dan followed.

In 1971 he worked on the hugely popular Ushiro no Hyakutarou. These two hits led to a boom of "occult manga" and established him as one of Japan's leading horror mangaka. They also led to a second career as a parapsychologist.

Since then a major deal of his works are, of course, horror manga, but he has also written a number of succesful josei and shougi manga.

Claimed that he is a descendant of Bitou Gou.

UEDA Hisaharu, TAKAYA Jun, MAGOSHI Kayoko, and TAKAHASHI Michie used to be his assistants.