Wikipedia
Kobunsha
Kobunsha (光文社 Kōbunsha) is a Japanese publishing company. It publishes literature, manga novels, and women's magazines.
Kobunsha was established on October 1, 1945 and belongs to the Kodansha group.
In 1975 Kobunsha published the women's magazine JJ, known as the earliest established women's magazine for college students in Japan.
Kobunsha currently publishes women's magazines such as JJ, Classy and JJ Bis.