this is the tragedy of extasy trigger, a woman special agent in the dark! Higekana

Kana Kurosaki, who was appointed as the investigator for the serial rape and slaughterer X. However, there is little information about X, the name of which is not known at all, and it does not take a decent face picture. Kana's father, Atsuo, who was a former special agent, also worked hard on the investigation of X, but he ended up in office halfway through his career. Kana visited his father's former subordinate, Eiji Kagami, the man closest to X, and asked for cooperation in the investigation. However, this Shin Eiji Kagami is X. the mirror is interested in kana, and when she uses medicine to take away her consciousness...