- Volume 06Chapter 12-16.6
- Ch 16.6 May 8, 2023 Ch 16.5 Mar 2, 2021 Ch 16.4 Jan 3, 2021 Ch 16.3 Aug 14, 2020 Ch 16.2 Jul 15, 2020 Ch 16.1 Jul 15, 2020 Ch 12 Aug 22, 2020
- Volume 05Chapter 12.6-15
- Ch 15 Jul 15, 2020 Ch 14 Jul 15, 2020 Ch 13 Oct 24, 2019 Ch 12.9 Aug 15, 2019 Ch 12.8 Jul 5, 2019 Ch 12.7 Jul 5, 2019 Ch 12.6 Sep 4, 2018
- Volume 04Chapter 11-12.5
- Ch 12.5 Aug 22, 2018 Ch 12.4 Jul 19, 2018 Ch 12.3 Jun 14, 2018 Ch 12.2 May 23, 2018 Ch 12.1 May 23, 2018 Ch 11.5 May 21, 2018 Ch 11 Apr 17, 2018
- Volume 03Chapter 8.3-10
- Volume 02Chapter 6.1-8.2
- Volume 01Chapter 1-5
Kikuno Kei, nickname "Kay", is a normal university student, and a part time hitwoman.