Kaoru Sakurazuka is the main protagonist for the eroge game, Yin-Yang Alternative game.
As a male, Kaoru's most notable features are his unkempt red hair and a scrowl on his face. He is often dressed in very thick clothing to make himself look more buff to show that he is "a man".
As a female, his femine features on his face become more pronounced. He gains a perfect hourglass figure, with wide hips and large breasts (much to Renji's delight). He is seen dressed in the schools female uniform, which is a red sailor fuku.