Akira Renbokouji

Akira is the younger sister of Satomi Renbokouji. She hides in a cardboard house in the academy and is skilled at hacking, capable of gaining access to the school's cameras and computer system. She is the creator of the social media website/app WIRED and utilizes it to show the world the video footage of the Valvraves fighting the Dorssia forces. Akira has an extreme case of social anxiety, but she gradually opens up to and befriends Shoko Sashinami.

(Source: Valvrave Wiki)