Seizō Watase

is a Japanese manga artist and illustrator born 15 February 1945 in Kobe, Hyōgo Prefecture, Japan. Outside of being an illustrator for numerous posters, books, and other works, he is most well known for his dramatic romance manga Heart Cocktail, which had sold over 5 million copies.

In addition to various exhibits in Japan, Watase held his first major exhibit in the United States at the Japanese American Cultural and Community Center in Los Angeles, California in 1998.

Biography From shortly after birth until high school, Watase lived in Kitakyūshū, Fukuoka Prefecture. He attended Meiji Gakuen Junior High (a private school), then graduated to the Fukuoka Prefectural Kokura Senior High School before finally graduating from Waseda University