Didn't I Say to Make My Abilities Average in the Next Life?! manga volume 4 features story by FUNA and art by Neko Mint.

Mile and the Crimson Vow have taken a job on protecting a caravan. After Reina goes a bit overboard with an attack spell, she finally reveals the reason behind her intense hatred of bandits. And Mavis gets an unexpected visitor whose appearance could change her life.