Name: Seira Lockhart
Age: 16
Alias: Heartbreaker
Cause of death: Suicide
Abilities: Possession, making people break up and get together
A human spirit that enjoys the cycle of love and heartbreak. Jumped off of a building after her best friend and crush started dating. Found out that best friend actually hated her, orchestrating all the events that mentally pushed her to the brink. She decided to give her "friend" a taste of her own medicine. She mentally pushed them to the edge, just like they did. Then, as they were standing at the edge of a building, she literally pushed them off the edge, getting her sweet revenge. Now, she wanders the halls of her old school, watching (and maybe making) couples get together and fall apart.

Name: Lara Milikos
Age: 17
Alias: Ohitsujiza Akuma (Aries Demon or Aries Devil), The Patchwork Demon
Cause of death: Eaten by a demon
Abilities: Hypnotizing, eating people, stitching bodies back together perfectly
Used to be a normal student in high school. She liked sewing, stitching, and other fabric crafts. One day, while walking home from school, she was attacked by a demon. She had parts of her flesh ripped off of her before the demon was found and killed. After her demonic revival, her scars were replaced with red and green patchwork. She was also outfitted with the hypnotic eyes on her hands. Now, she wanders around the streets she was brutally murdered on, munching on unlucky folks who happen to cross paths with her.
Name: Liana Kemouric
Age:15ish
Alias: Sumōkumonsutā (Smoke Monster)
Abilities: Can turn into a smoke monster, can turn things into smoke, can make smoke out of nothing
Cause of death: Smoke suffocation
Another ghost. She was born a middle child in a group of 5. She was born into a wealthy family, living in a big house. Then, an accident happened. The kitchen burst with fire, filling the house with smoke. Most of the family evacuated. Liana was left behind. She suffocated and died in the burning remains of the house. Since then, the family rebuilt the house and moved back in. But she's still there. She haunts the family to this day, terrorizing them with smoke and fear.
(side note: the gals all know each other. sometimes they meet up and talk about stuff)