Sonoiro no Boshi wo Tore

is a Japanese light novel series written by Akira Aokiri, with illustrations by O-sd!. The series began publication on November 17, 2020 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
In Tokyo, where highly intelligent human resources are required to counter the accelerating cybercrime ahead of the Tokyo Olympics. Shaw, who deals with a cybersecurity product called Cu Chulainn, was looking for his former colleague Saku.

Saku was a talented development engineer, but his disappearance caused the company to dissolve and his remaining colleagues on a different path. One day, while proceeding with the work introduced by an acquaintance, Shaw decides to get information on Saku from a woman with a strange appearance of artificial limbs and artificial limbs on a mask.

With the support of a dark doctor living in an abandoned house, a fallen former boss, an illegal worker dealing with a new type of pistol, and various friends, Shaw reunites with Saku. But he--.

To decide a profession is to decide a life. The separation of best friends who believed that way eventually led to a great tragedy.

A drama of hackers drawn only with existing technology by an information security supporter and an active cyber security engineer of JNSA members.