<span>1st year high school student </span>Kurogane Taito<span> is a disillusioned youth. He has thrown away the belief that hard work and effort will be compensated. Now, he simply exists as the days pass him by. </span><span style="line-height: 1.3em;">However, there is something that he has forgotten. A stolen memory of a girl, a pact, and a curse. 9 years ago, the young Taito had met </span><span style="line-height: 1.3em;">Saito Himea</span><span style="line-height: 1.3em;">, the eldest vampire, and made a pact with her. </span> <span style="line-height: 1.3em;">Now, Taito's memories are about to be restored, and he will remember the girl which has been kidnapped and kept imprisoned for the past 9 years, waiting for him to free her.</span>