Megumi Amatsuka

天使恵, Megu
One day Megumi saves a strange man. In return Megumi receives a magical book. After accidentally bleeding on the book a genie named Pierrot appears and offers to grant him a wish. Megumi wishes to become a strong mans man. Pierrot a trickster inadvertently turns Megumi into a woman. While Megumi is physically a very attractive girl she still retains her masculine mannerisms and fighting abilities which she uses very often attracting the Meguchan Protection Club a group of misfit admirers. Nobody else knows she used to be a boy but was transformed into a girl initially only Megumis best friend Miki knew her secret however the protection club quickly finds out. A tomboy at heart if she unintentionally displays any sort of affection for anyone she is very quick to deny everything. Source: Wikipedia