
夢の碑とりかえばや異聞
byToshie Kihara(Story & Art)
Manga adaptation of late Heian novel Torikaebaya Monogatari (とりかへばや物語), literally "If only I could exchange them!". It is the tale of two siblings whose mannerisms are those of the opposite sex, and their relationships in the Emperor's court. source: wikipedia