Devil's High School Rias and I Are Childhood Sweethearts

Brand Parulein - As the only pure-blood vampire in the underworld and the strongest vampire, he met Rias when he was five years old and became [childhood sweethearts] until they went to Kuoh Academy together. In the third grade, Brand discovered that he fell in love with Rias and confessed to her. The result... "I know you like Rias, but I like you too!" That's right, Sona Shitori, the president of the Sidi family and the Kuoh Student Council, also likes me and confessed to me.