A Certain Knightess' Divided Daily Life.

An era of repeated conflicts between demons and knights.
In the year 235 of Emperor Florins reign.
The Empire deployed a small number of elite knights, known as Holy Knights, who could defeat witches and demon kings single-handedly, and set out to defeat them.
The opposing demons were huge and cruel, striking terror into the people.

This is the previous day of A Certain Demon King's Divided Daily Life.

Nova Infinity, a female knight, is on her way alone to defeat the Demon King.
She is struck by a demon's magic and splits up.
The demon tries to make the two split-up Novas fight...

The manga and illustrations are written by Rei Atorirei, following on from the previous work.