Maxwell

Background
Having stalked Ignis Fatuus in the past before he got defeated by You's father, he now joins the Ouroboros Alliance and starts to stalk Willo-O-Wisp's leader again. To the point of attacking the Community.

Appearance
Light brown hair that have a center parting. And pure white clothing that seems like snow.

Personality
Stalker who has a somewhat narcissistic character who believes that people are running away from him because they are too in love with him but too shy to admit it. In short, he's a pervertic threat to Ignis Fatuus. However, this is also a very good point about him that everyone likes to make use of.

Relationships
Will-o-the-Ignis-Fatuus - His love-love target that makes him go crazy

Plot
Sent by the Ouroboros Alliance as a pretext to help the sub group of your Highness. He's suspicious of their actions and seeks to monitor them as much as he can. As much as he can. In other words, he only does that when he lost his target of fancy: Ignis Fatuus.

To counter his spying, Rin always distracts him by giving him the task of looking for Ignis Fatuus which she glorifies the act as a knight saving a princess.

Gift
He's able to do instant teleportation due to his ability to make portals.
 * [Phase Gate]-a summoning Gift.

Trivia

 * Unlike the other demon lord which came from mythology, Maxwell came from the theory of thermodynamic that was written by James Clerk Maxwell in 1867.
 * Its been stated that Maxwell caused a Paradigm Shift in the year 2020.