Read Fudanshism - Fudanshi Shugi Manga Chapter 13

Chapter 12 Chapter 14

Miyano Amata, known as the "Perfect Prince" for his intelligence, looks, and cool personality, is asked to substitute for his sister as an attendant at a doujinshi convention disguised as a loligothic girl. There he meets a girl from his class and they become friends, but he must crossdress in order to be with the girl while learning about the fujoshi fandom. (fudanshi = BL fanboys. Some may be gay, but most are straight. More info can be found here. fujoshi = (literally: rotten girl) a pejorative Japanese term for female fans of manga and novels that feature romantic relationships between men, often with the implication of Yaoi concept.)