
Basically it's mostly how she tries to adapt living in Kouta's place in its most humorous way possible especially with Mayu around (let's see you can count how many times Nana "fell apart"

Supposedly, the events in this episode takes place between episode 10 and 11 if you're curious about the chronology.Of course we do get insight of how Lucy/Nyu got captured so that's a plus. It was kind of tragic though.