Princess Comet is a multimedia franchise beginning with a dorama series created by Mitsuteru Yokoyama and produced by International Television Films, a division of the film company Toho. Directed by Ōtsuki Yoshikazu and written by Mamoru Sasaki, it stars Japanese singer and actor Yumiko Kokonoe in its lead role as Comet, a mischievous girl from the Beta Star sent to Earth after causing mischief who must learn responsibility while using her magical powers to solve her problems. The series aired on TBS from July 3, 1967, to September 24, 1979. A short-lived manga series written and illustrated by Mitsuteru Yokoyama was released from June 10, 1967, to November 11, 1967.