Ribon

Ribon (りぼん) is a monthly Japanese shōjo manga magazine published by Shueisha. First issued in August 1955, its rivals are Nakayoshi and Ciao. Its target audience is young girls roughly 9–13 years old.

Marmalade Boy was originally serialized in Ribon from 1992 to 1995. Several of Wataru Yoshizumi's other works were also published in Ribon.