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...
So that makes me the best 
in the whole universe.
Was mich zum Besten
im Universum macht.
Eso me hace el mejor del universo.
Eso me hace el mejor del universo.
Donc c’est le meilleur de l’univers.
Perciò sono io il migliore dell'intero universo.
Então isso faz do meu
o melhor do universo.
А значит, я лучший во вселенной.