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...
The siblings and
the academy face their 
greatest danger yet!!
I due fratelli e l'accademia
in pericolo come mai prima!!!
Os irmãos e academia
enfrentam a maior
ameaça até agora!!
Зигу с Хильдой и Академии
грозит доселе неведанная угроза!