[While Mikado does that Aoba has his eyes on the surroundings, keeping the look out for anyone passing by or looking... But no one does. It's easy to slip into the apartment after Mikado has the window open, and he remains by the escape route, still looking outside for the most part.]

[But he keeps and eye on Mikado, because it's always interesting to watch his senior, now that he's grown into such an extremist.]