Aya and her twin brother Aki thought they were going to go to celebrate their sixteenth birthday in their grandfather's house, but the funeral atmosphere warns them that something was wrong. His "birthday present" turns out to be a mummified hand - whose strength makes the awakening inside Ayi and painful wounds all over the body of AKI! Grandpa Mikaga announces that Aki will be the heir of the state of Mikage, and Aya must die! But Aii has allies in a sports cook and a combat artist and Atractivahi, as well as attractive and mysterious Tôya. But can even two beautiful, resourceful guys save Ayu, when her own power comes out from under control?