Kazuma in vol.2 ch2 part 3 finds out Aqua can see in darkness and almost "caught" (90% I sure she know what he doing right here) on faping Kazuma in ModernSuba always goes to the bathroom, after Wiz lesson. And again she know what he doing right here. Aqua in jealous mode: "I`m a girl you know!"
BathroomThat girl (Wiz) really needs to be more self-aware.