Itsuki is nearing his final deadline for volume 5 and flees from his editor, Toki, however he is immediately caught. However, Itsuki manages to escape when he runs into Setsuna and they both go to a hot springs. Setsuna felt like he was in a slump and wanted to see some asses to get some inspiration. But when they get to the ryokan with the hot springs, Itsuki witnesses something horrifying...
I'm going to make it back 
to Hilde no matter what...
Ich werde … zu Hilde zurückkehren,
koste es, was es wolle!
Voy a volver con Hilde sea como sea…
Voy a volver con Hilde sea como sea…
Je ferai tout
pour retourner auprès d’elle !
Tornerò da Hilde... costi quel che costi!
Eu vou voltar para o lado da
Hilde, custe o que custar...
Клянусь… любой ценой…
я вернусь к тебе… Хильда!