Zero-kun wa Kimeseku nanka ni Zettai Makenai Hon | Zero-kun Won't Lose ♥ To an Aphrodesiac (Tobaku Haouden ZERO)
Astolfo-kun to Shinsatsu-kun to Lanling Wang-kun ga Gudao o Ijimeru Hon | A book about Astolfo, Shinsatsu-kun and Lan Ling Wang-kun bullying Gudao. (Fate/Grand Order)
