Pet Shop of Horrors - Hyouhaku no Hakobune-hen
- Volume 03Chapter 5-6
- Ch 6 Jan 2, 2021 Ch 5 Jan 2, 2021
- Volume 02Chapter 3-4
- Ch 4 Jan 2, 2021 Ch 3 Jan 2, 2021
- Volume 01Chapter 2
- Ch 2 Jan 2, 2021
Prequel to Petshop of Horrors, featuring D's father as the protagonist.