Good Is Not Nice: She does what she can, and occasionally feels regret for those she can't help, but in the end her job is to banish Shinma, not to protect or save people. She's not above using mortals as bait, if necessary.
I Know Your True Name: In the OAV, she must first learn the Shinma's name before sealing them.
Lady of Black Magic: Extremely elegant and aloof as she uses her ruby-red flames
Limited Wardrobe: In the anime series, we only see her in school uniform or her white dress. In the OAV's, however, she changes her kimonos much more regularly.
Older than They Look: Justified Trope, since she was granted eternal youth by the Shinma so she could take all the time she needed in catching the runaways.
Tender Tears: In the manga, she's much more emotional than in other media. Justified Trope, as some parts depict Miyu's early days as a Shinma hunter so she still was a Naïve Newcomer to the whole deal.
Empty Shell: Miyu's dad, since Miyu's mom drank his blood before marrying him.
Mama Bear: Miyu's mother tried to save her from becoming the Guardian by force. By either trying to kill her (manga) or giving her her own blood (OAV). It didn't work, obviously.
Parents In Distress: They're now hostages of the Japanese Shinma, placed in eternal sleep in an alternate dimension between the Darkness and Earth, and Miyu has to catch all the runaways to get them free.
The Unfavorite: Reiha hates Miyu to death because her father, one of her collaborators, died protecting Miyu and called out to her in his last breathe instead of recalling his own daughter.
Deal with the Devil: She let Ra-en possess her body and use her for his plans, in exchange for creating an illusion in which her parents are still alive.
Despair Event Horizon: Her parents's deaths. Since they died after giving her their blood so she'd survive, poor Aiko blamed herself and called herself a vampire, biting the neck of her doll in the orphanage she was placed in much to the horror of the other kids. Then Ra-En came in...
Dead All Along: They actually died in a car crash a while before the OAV's take place.
Good Parents. Or so they seem. They were this when alive, see the trope below to know more.
Heroic Sacrifice: They knew that their injuries from the fatal accident would eventually kill them, so they begged their doctor to let them give their own blood (of a pretty rare type) to Aiko so she'd survive. He couldn't refuse such a request, since they had no blood of said type left, and did so: Aiko survived, but Dad and mom died.
Kei Yuzuki
The Ace: Except for being Book Dumb, he acts completely perfect at school. He's polite, handsome, popular...
Broken Ace: As well as selfish, indifferent, and disenchanted with life.
Stepford Smiler: He hides his boredom with life in general, his feelings of inferiority towards his more academically-succesful siblings and his apathy towards his Education Mama's constant pressure under a polite, soft-spoken, beautiful mask.
Übermensch: Believes vampires to be this, so he tries forcing Miyu to make him one. She's so offended by such claims that she tricks him into falling to his death.
She knows too much: The exact reason. She and Hisae find out about Miyu and Chisato, then after Hisae's death she confronts Chisato and then Miyu, and soon It Gets Worse.
Kill The Cutie and Stuffed into the Fridge: Chisato kills her and Yukari as soon as her powers awaken. In Hisae's case, Chisato does it under the effects of the Shinma Shidon's More than Mind Control, then wakes up next to the dead Hisae.
Chekhov's Gunman: Under the disguise of an artist, he sells trinkets to Miyu and Chisato. Said trinkets actually are magical charms that keep Miyu from sensing Chisato's growing powers.
Characters from the manga and/or the Drama CD's
Aya
Dead Little Sister: Her parents (dead in an accident) and her sister Yui (killed by Shinma)
Graceful Loser: Escaped years ago from Miyu, so when she finds him again, he at first tries to cover for his girls and help them escape, but once he loses he doesn't put up much of a fight and lets Miyu vanish him.
People Puppets: A Shinma transformed a Christmas Cake lady and Miyu's school friends into traditional dolls... and re-created him and his dad, resurrecting them. Sorta..
Tomato in the Mirror: Takumi didn't know that he had died in the fire that killed his mother (which Miyu caused, at his mom's own request), and both of them were revived as dolls by another Shinma.
