Bio

Y/n Hyoudou was the human brother of Issei Hyoudou. Having known the truth about Devils he had become close friends with Rias and the others despite being a human. However everything changed when he and his 3 girlfriends Murayama,Katase,and Aika stumbled upon alien devices. Being bonded with the devices they awaken a power to evolve beyond anything else. The guyver units!