Ling arrives and checks out an Enforcer's apartment. Said apartment just so happens to be Ed's. Ling quickly gets under Ed's skin, and it culminates with Ed transmuting the floor right out from under him. And Ling lands right on top of Souji and Raidou's dinner.
The three fairies hatching a new plot: Misdirecting people to the wrong showers. Hilarity ensues . Some characters in particular react in ways that can only be described as special, from Kazumi acting in ways she knows from manga once she is seen naked even though she doesn't give a damn, to someone singing a duck-related children's song.
And then there's the event where the OS is updated. Things around the compound go haywire.