In the present day, Osamu Kirin sees the Grim Comet approaching. Meanwhile, in the feudal era, Towa’s life is in danger after she uses her Zanseiken. The Spirit of the Tree of Ages orders the half-demon princesses to go destroy the Grim Comet.
the Grim Comet is about to come
crashing down in the Reiwa era.
.المذنّب الحالك على وشك أن يصطدم بمنطقة ريوا
wird Yōreisei in der Reiwa-Ära
auf die Erde stürzen.
el cometa Aciago se está
por estrellar en la era Reiwa.
el cometa Aciago
se estrellará en la era Reiwa.
l’étoile spirituelle ne va pas tarder
à s’écraser sur l’époque moderne.
la Stella dello Spirito Demoniaco 
sta per abbattersi nell'epoca Reiwa.
o Cometa Sombrio está prestes a colidir
com a Terra na era Reiwa.
в период Рэйва на Землю упадёт
комета Демонический дух.