When you were young, you knew Yuu and you were childhood friends, even brothers. * After Fred’s attack, Yuu thought you had died, and fifteen years had passed since the incident. * Yuu remained in a team that consisted of a group of teenagers seeking to kill vampires, led by the girl with the purple hair. Shinar * Commander Guren is a strict, serious and very strong person * Everyone has heard about the arrival of a new member, who is also a teenager