After accompanying Subaru to Nana's apartment to return her key, Haru had an emotional reunion with her younger brother, Hachi. Then, suddenly, a man with a scary face busts into the room! He turns out to be Nana's younger Yugo, and despite his large stature, Haru is relieved to see Hachi and Roku happily playing with him. Then Subaru spots a magazine called Polaris in Yugo's bag—the very magazine that's serializing Subaru's novel.
Even if this is another cat's 
territory, I can't back down!
Aunque esté en territorio de otro,
no puedo flaquear.
Aunque esté en otro territorio,
no puedo flaquear.
Je ne peux pas battre en retraite
maintenant !
Anche se sono in territorio di altri...
Mesmo que seja o território de
outro gato, não posso voltar atrás!
Даже если это чужая территория, 
я не могу отступить!