Osananajimi wo MC Shite, Seidorei ni Shita, also known as Mind Controlling My Childhood Friend, I Made Her My S*x S*ave, is a controversial web novel originating from Japan. This adult-themed novel features a male protagonist who acquires mind control abilities from a devil, resulting in disturbing situations. With tags like Rape and R-18, the story delves into dark themes and explores the consequences of using such powers.