Game Master and Satan Slave

 is the tenth episode of the Trinity Seven series, broadcasted on December 9, 2014 on  Fuji TV.

Synopsis
The ultimate demon lord, Astral Trinity, shows up in the form of Arata with a grotesque new appearance. Hijiri appears as well, and the others discover that she is a high-level mage whose goal is to kill Arata and destroy the school.

Adaptation
TBA