Another member of the school's photography club, whose specialization is "stealth photography", which is basically a method used by the paparazzi of taking pictures of people (usually celebrities) caught in awkward moments and not get noticed. There is a running gag that the reason she is called "Stealth" is because of her uncanny ability to appear anywhere at anytime.

Spoiler

She has a secret identity as the famous cosplayer Alice-chan.