After the defeat of the last demon lord, Kousako is put in a rather peculiar situation being stabbed and petrified by their mother figure Abigaillia; however, it wasn't done out of malicious but to keep Kousako, and their siblings, out of the upcoming war between the humanoid kingdoms. Now after multiple centries, Kousako is unintentionally released from their petrification and in a completely new era with the simple goal of gathering together their siblings like Abigaillia requested prior to Kousako's petrification; despite the daunting task, Kousako won't have to worry about doing it alone as they recieve the assistance from the people who freed them.