The Detective

Biography
The Detective is an up-and-coming law enforcer who has recently agreed to move into the Town. She begrudges that her mother forced the rest of the family to tag along knowing the frequency of violence that occurs there. Presently she is diligently investigating deeper on the darkest secret of the Town.

Personality
On the job, she remains professional and even exudes an aggressive overtone. However with family she reveals a more calm and caring part of her personality.

041 Big Sister Helps You Study Roleplay
Reika visits her brother's room claiming to help him study. However she reveals her true intention was to warn him about the Town's violent history. In the end she managed to decipher Suzume's true feelings for Senpai.

031 Detective Interrogation
While babysitting her cousin, Reika is working on the supposed suicide of Mr. Matsudo. When the Butler is brought into the interrogation room she makes her point very clear: Mr. Matsudo was murdered for his connections to the Anarchist Cult, he the Butler disposed of sensitive documents after discovering the body, and finally nothing she does to him will be recorded.

051 Loli Doctor Examines You
After the death of the Necromancer, Reika breaks gun loaded on the Loli Doctor. [Note: Yandere Kohai 4 has yet to happen so Reika still believes her brother Senpai may still be alive]

Senpai
She tends to dote on her little brother even acting overprotective sometimes due to the move. Though this doesn't stop her for teasing him for being too shy and dense.

Little Sister
There's an arrangement that on school days when Oniichan is busy with baseball their cousin Reika will watch her.