Riho Futaba (voiced by Yuko Goto), a virtual idol who has appeared in numerous video games including the "Dream Club" series, is now joining the EDF. And what's more, she's appearing in her Deluxe Edition early purchase limited edition Santa Costume. She also comes equipped with an exclusive weapon available only with this content.

More details on the official game page of Additional Character: Riho Futaba, Merry Santa Costume ...