
Seri has a lively and laid back personality. She wears a high school uniform with the intention of attracting men to become her underlings, despite this, she feels nothing but boredom doing so and nothing seems to be fun to her anymore. She is incredibly ruthless and threatens to kill someone with little hesitation. However, it seems that those threats mostly tend to be empty.


is a vampire and a who seeks enjoymen in life

Seri has a lively and laid back personality. She wears a high school uniform with the intention of attracting men to become her underlings, despite this, she feels nothing but boredom doing so and nothing seems to be fun to her anymore. is a vampire and a gyaru who seeks enjoyment in life and finds it increasingly challenging to have fun.

is a vampire  who seeks enjoyment in life

Kureo Mado (真戸 呉緒, Mado Kureo) was a First Class Ghoul Investigator and Koutarou Amon's former partner and mentor.

He was a quinque fanatic. Among others, he killed the ghouls Applehead and Ryouko Fueguchi. He was killed while tracking down the Daughter ghoul and Rabbit.
Mado was known for his obsession for ghouls and their kagunes for the purpose of making quinques. He frequently waited for the ghoul he hunted to bring out their kagune in order to obtain it, according to how all investigators.