I Didn`t Leave Nothin` Out Episode 4

It's hot... So hot... But I've been through this before, haven't I? But as we were sitting in the club room melting away, someone popped out of a locker. Turns out it wasn't the product of some curse; it was just the photography club advisor, Rara-sensei. Wait, she was in the locker all that time, in this awful heat? She seems kinda spacey... I'm a little worried about her...