Story
Killer mermaids, gender swapping, and a devilish little sister with the power to end the world—four more unforgettable short stories that reveal the starting point of Tatsuki Fujimoto, the twisted mastermind behind Chainsaw Man. (Source: VIZ Media) 1. Mermaid Rhapsody (人魚ラプソディ); 2014 2. Woke-Up-as-a-Girl Syndrome (目が覚めたら女の子になっていた病); 2017 3. Nayuta of the Prophecy (予言のナユタ); 2015 4. Sisters (妹の姉); 2018
Synopsis via AniList (English).
Preview
From the anime adaptation: Tatsuki Fujimoto 17-26.
