A collection of six stories: 1. Kowaku (蠱惑,Seduction) 2. Sotsugyou (卒業,Graduation); COMIC Mugen Tensei 2019-05 3. Keiyaku (契約) 4. Saikai (再会,Reunion); COMIC Mugen Tensei 2019-09 5. Yakusoku (約束,Promise) 6. Kinen (記念,A Day to Never Forget)