A collection of six stories:

1. Kowaku (蠱惑, Seduction); COMIC Mugen Tensei 2020-06
2. Sotsugyou (卒業, Graduation); COMIC Mugen Tensei 2019-05
3. Keiyaku (契約); COMIC Mugen Tensei 2020-01
4. Saikai (再会, Reunion); COMIC Mugen Tensei 2019-09
5. Yakusoku (約束, Promise); COMIC Mugen Tensei 2018-12
6. Kinen (記念, A Day to Never Forget); kakioroshi