Hiiro no Kakera: The Tamayori Princess Saga 2

Synopsis

After the events of the Onikirimaru incident, Tamaki thinks that her days of trouble are finally behind her. But when Logos reappears with a deadly plot, one of the five Guardians is revealed to be a traitor! With the people closest to her now in question, Tamaki will have to decide who she can truly trust if she wants to stop Logos for good. The truth behind the Tamayori Princess will finally be revealed as Tamaki battles evil once again!

(Source: Sentai Filmworks)