 Shotacon, a corresponding genre of erotic comics featuring precocious boys also developed.Erotic manga aimed at men are referred to as "seijin-muke manga" (成人向け漫画) or "ero manga", and those aimed at women are called "ladies comics" (レーディーズ・コミック).In the 1970s, shōjo manga ("comics for girls") began featuring platonic relationship stories between boys, which developed into yaoi.