"RIAS GREMORY'S VIRGINITY BELONGS TO ME "
Issei is finally beginning to adapt to his new life as one of the beautiful Rias's demonic servants. Just as things start looking up for the perverted high schooler, however, a cocky pretty boy named Riser arrives, claiming to be Rias's fianc To save the prez from a marriage she doesn't want, Issei and the other members of the Gremory Familia will have to battle Riser's team. Even with the mighty Boosted...