Chainsaw Man: I Conquer with the Dark Dark Fruit

Synopsis  [Multiple female leads] + [System] + [Lighthearted fun only (no angst or torture)] + [Set entirely in the Chainsaw Man universe, no crossovers] + [Gender-swapped Hayakawa Aki] ___ As you'd have expected I am a Transmigrator, and as most Protagonist, I have a system, which gave me an overpowered ability from the world of One Piece. My name is Ca-el. ___ Note: To reach the multiple female lead ending, certain timelines and character settings have been adjusted.