Killing Member

is a Japanese light novel series written by Yosumi Akizuki, with illustrations by Yomi Sarachi. The series began publication on May 10, 2017 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
One morning, Natsuki Sakurai was killed in the school's science preparation room. It was a locked-room murder. Endo, who was absent from school on the day, heard about the incident from his friend Kaito Yamazaki, and was unscrupulous and fascinated. Detectives Kanzuki Yamamoto and Asahi Shibata set out to investigate, and the victim's father, Akizono Sakurai, was also in a hurry to identify the criminal on his own.

Even if an incident occurs, everyday life goes on. Kaito and Kaito play with Kondo on holidays, and after school the following week, they leave school while chatting with their lover, Shiori Kubo. However, the situation suddenly changed because he was called to see the moon there.

School officials who die one after another suspiciously. Serial killer and serial killer. A terrible incident that happened six years ago and its victims. One person involved in everything. With Natsuki's death, all kinds of distortion are exposed. This is not a story that solves a mystery and reveals the criminal.