Holy Knight of the Sunset (陽炎の聖騎士 Yōen no seikishi) is the sixteenth novel of the Strike the Blood series.
Kojou, which lost its memory, wakes up in a special demon zone called Onji Island and begins with the meeting with Kasutani Yuri and Castillera (hereinafter Kasuko).
An Kojou where Kasuko becomes a supervisor and spends his days studying to go to school and become a demon.
- Chapter One: College Of Magic Arts Officer
- Chapter Two: Beasts Of The Dungeon
- Chapter Three: Another Reality
- Chapter Four: The Lost Demon-Sanctuary
- Chapter Five: Paladiness of Mirage
The volume is expected to be adapted into episodes of Strike the Blood IV.