The Demon Defense Force is holding a joint training session in Shangri-la: an alternate space where time flows differently from reality. While Yuki endures the intense training and slew of steamy rewards, he notices the commander of the 8th squad, Varvara Pilipenko's contempt of him. Just why does she seem to loathe him so...? Meanwhile, unbeknownst to them, Fukuma, the god who excels at stealth, has taken Belle's place!