Order! Wasureruna, negai! Big Betrayal (E05)

After stopping the nuclear missile, Hoshimiya Eiji has a moment to rest, but then Franc awakens his sister Sena! While the others gather information on the Order who can help cure Sena, Eiji and Rin head out to claim Hiroshima as his domain, but while they're enjoying themselves a mysterious new force appears! What's happening to Rin?! (Crunchyroll)