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Mills is a middle-aged human described as a large man[1] with a muscular, slightly fat build. He is a brown-skinned man of Japanese descent sometimes read as mixed-race. He has a scar on the left side of his mouth and an X-shaped scar on the right side of his chest near his shoulder. A distinctive irezumi style tattoo covers his left arm down to the forearm and part of his chest and back. Its style and imagery suggest a yakuza background in conjunction with his scars. It depicts a red dragon descending his arm through blue waves that crash into white seafoam below his elbow. He has had a strong fondness for this design apparently since childhood and it is incorporated in some way in all of his appearances.[2][3]

He is generally depicted with very short graying dark blue hair in a spiked crew cut with sideburns and patches of stubble. In more recent appearances he is clean-shaven and has shorter hair with tighter edges. His monolid eyes are an icy blue and he has thick, expressive brows. He has a small silver hoop earring in his right ear. To his embarrassment, he blushes easily and often has a difficult time maintaining eye contact in romantic situations.

Noted for "dressing rather oddly for the professional environment" in his original appearance, bare skin, traditional Japanese clothing, and the pattern of the red dragon and waves are recurring elements of his design.


Mills has an outstanding dedication to his job as principal and maintains a stoic and intimidating if unusual image, once even mistaken for a supervillain by a student at Champion Halls. At school he can often be seen with a stern expression and some sort of improvised weapon over his shoulder. While he only does this to keep up appearances, he has a no-nonsense attitude to match, and his policies reflect that.

He places a strong focus on discipline, both on a student's duty to deal with the consequences of their actions and on their ability to use their strengths to remedy them. This is best seen during his time at Champion Halls, where students in detention have to directly address their reasons for being there, often using their powers. Nevertheless, his tough methodology appears to keep his students in line and he is ultimately respected as the head of the school.

While he might come off as a tough guy at first, he is a hopeless romantic at heart and thoughtful, if shy and tense, in romance. He was once married to the love of his life, and though he's unsure if he'll ever feel that way again, he desperately wants to.


Love Charm[]

  • Find your love... (Stage 1)
~ . . .

You meet Mills, the school principal! This guy looks tough, but the path to his heart may be more direct than most. He looks kind of scary... You:

Run away.
Offer him an apple.
Tell him his tattoo is sexy. +♥
~ You don't look familiar.

You meet Mills, the school principal! This guy looks tough, but the path to his heart may be more direct than most. He asks what you're doing on school grounds. You answer:

Just heading to class.
I saw you from the street and just had to talk to you <3 +♥
Just taking a short cut to work.
~ Did you need something?

You meet Mills, the school principal! This guy looks tough, but the path to his heart may be more direct than most. You ask him:

Are you single? +♥
What kind of principal doesn't wear a shirt?
Is that big fan for smacking students?
  • Find your love... (Stage 2)
~ I should probably be going...

He looks nervous! Quick, impress him!

Look, I can do a handstand! Just don't look up my shirt! +♥
Those scars are pretty badass.
Education seems like a noble profession.
~ You seem nice, but I need to get back to work.

He looks nervous! How do you get him to keep talking?

Eh, the students are fine, don't go yet.
So how did you become the principal?
You look so strong... Can I feel your arm? +♥
~ Why are you holding me up? I'm busy!

He looks nervous! He sternly tells you to leave the school grounds. You:

Do so immediately. The guy's scary!
Tell him you'll leave once you have his number. +♥
Lie and tell him you're meeting someone.
  • Find your love... (Stage 3)
~ Stop embarrassing me!

He's so embarrassed! You see your opportunity and you:

Ask him out. +♥
Ask for his number.
Ask if he likes you.
~ You're just teasing me, aren't you...

He's so embarrassed! You want to ask him about his scars, but what if he's sensitive about them? You:

Ask how he got them.
Stand close to him and ask if you can touch them. +♥
Ask if he's showing them off by not wearing a shirt.
~ I am working, you know.

He's so embarrassed! He tries to change the subject by asking if you know the school history. You reply:

I heard a girl died in the basement!
I heard you have a good soccer team.
I don't care about the school. I'm interested in you. +♥

Love Charm II[]

  • The Tough Guy (Stage 1)
~ Bring it!

You come face to face with Mills! He looks like a tough guy... You should consider your move wisely. What do you do?

Slap him!
Attack him directly. +♥
~ Time will tell.

You come face to face with Mills! He looks like a tough guy... You tell him:

Finally, a worthy opponent. +♥
You wouldn't hit someone smaller than you, would you?
Wow, you're pretty cute.
~ It's for your own good.

You come face to face with Mills! He looks like a tough guy... He takes one look at you and pushes you aside, so you:

Thank the heavens. He looked scary!
Tell him he can't ignore you.
Grab him and force him to look at you. +♥
  • The Tough Guy (Stage 2)
~ What do you want, exactly?

He looks flustered! You ask him:

If he minds you watching him fight. +♥
What's a principal doing at a bar?
What does your shirt mean?
~ I am... impresed, I guess.

He looks flustered! He seems hesitant to strike you. Quick, do something to hold his attention!

Try and shake his hand.
Chug your entire drink right now! +♥
Tie a cherry stem into a knot with your tongue.
~ Is that so?

He looks flustered! He angrily tells you he has no interest in fighting you, so you respond:

Then let's talk instead.
I wouldn't have minded the lesson. +♥
That's because you'd lose.
  • The Tough Guy (Stage 3)
~ No I'm not. It's just the drinks.

Yes, he's blushing! What do you do?

Point out he's blushing. You're so sensitive!
Point out he's blushing. It brings out your eyes. +♥
Pretend not to notice.
~ Something more low key sounds good.

Yes, he's blushing! He seems embarrassed. He admits that he doesn't really want to be here anymore, so you suggest:

Why don't why hop to quieter bar?
My place isn't that far...
All this fighting worked up my appetite. Why don't we go eat?
~ It's gotten a little carried away here, hasn't it?

Yes, he's blushing! You see an opportunity and you:

Ask him if he's taken.
Ask if he wants to leave the bar. +♥
Ask if you can follow him home.


  • No one knows whether Mills is his first name or last.
  • He is left-handed.
  • In Arcana Break his tattoo depicts a shisa rather than a dragon, in reference to the lion typically depicted on the card he represents, Strength.
  • He wears a high school kendo club jacket, but it is unclear whether it's from his own high school years or if he is currently a kendo club instructor.
  • He enjoys ramen, fresh pasta, and pastries.
  • He keeps framed photos of his dates in his office.
  • He is featured as a playable character in BUTTON SMASH!, the fictional fighting game in Game Night Fight!


  1. As evidenced by his appearances in the Love Charm series, Mills is bisexual. It should also be noted that the gender of his ex-partner is left ambiguous.


  1. [NPC] Ivan (June 26, 2014) — "Get a head start on July's CI with Advance Chance!" (Topic)
  2. Core Chance itemRascal Romp (July 2014)
  3. Little Mills