Kuroko Koumori

An ex-serial killer, now national executioner. Koumori Kuroko loves cute girls, sex, and annihilating her targets. Even though she is now a hired assassin by the Japanese police force, she has a record of murdering 715 people in the past since her childhood.

She has a girlfriend but actively flirts and sleeps with other women. She occasionally goes on dating sites to find said women.