Orikasa Reina

A mysterious girl who appears before Kusuhara and Amamiya as they chase the mystery behind Sorano's memories. Contrary to her dainty, appearance, she is cool, intellectual, and possesses a great deal of scientific knowledge. She assists Kusuhara in unraveling the secrets regarding Sorano's memories. But why is this enigma of a woman helping out Kusuhara? Her goals are shrouded in secrecy.