Koishikawa takes Momijiyama out on the town in an attempt to thank her for everything she's done for her. However, Momijiyama's introverted nature and shut-in lifestyle make this difficult. The two of them are then unexpectedly summoned by Unilord.
also use people's hearts 
as their energy source.
.أيضًا تستعمل قلوب الناس كمصدر طاقة
también usan la energía del corazón.
también usan la energía del corazón.
utilizzano il potere del cuore come fonte di energia.
também usam o coração
como fonte de energia.
тоже используют духовную энергию.