A horde of Shuuki attacks the Commanders' Assembly, and the overwhelming power of the supreme commander, Ren Yamashiro, is fifinally revealed! Meanwhile, Kyouka's concerned about the strange interest Ren's shown in Yuuki, but little does the 7th Squad know that she's not the only one... What's more, the Demon Defense Force is holding a joint training session to prepare for the battle against the Eight Thunder Gods, meaning Yuuki's in for new masters, new forms-and new rewards!!