Blade Rhapsody

Kinozaki Tomo, an ordinary high school student, transfers to Hokage Academy. On his first day of school, he encounters a beautiful blonde girl named Hikaru in the midst of a battle. Still bewildered, Kinozaki is drawn into the fight. Following this, Hikaru orders him to "Draw your blade". This signifies becoming an Anshizu, using his "masculinity" as a weapon to gain immense power, but the price is the transformation of his body into a female form...