[Crossover] The Mermaid Princess of Storybook Town

A mermaid princess from another world finally achieves the Dark Honmaru ending during her two-year trial, dying with her soul destroyed. Then she is reborn. A guide to this story: 1. The heroine is a mermaid princess from another world, cursed so that she cannot speak before adulthood. If she does, she will vanish into sea foam. 2. This is a rebirth and face-slapping story, but the heroine and the swords have all lost their memories of their previous lives. They will recover them temporarily later on. The swords have one-sided feelings for their master; there is no pairing. 3. A mash-up of several anime and novels. 4. If you enjoy the story, please add it to your collection and follow the author. My chronic laziness has reached its final stage, and I'm going to start charging for the story tomorrow. The story begins at Chaldea after the Human Order Incineration War has ended. The Servant codenamed Jieluo, known as Savior, had accompanied the Master from the first Singularity all the way to the end of the war, but suddenly vanished. And so the natives of other worlds became victims... What a heartrending tale. Let's interview some of the victims. A super cool, super trendy professional hero: I was just walking down the street when a pair of demonic claws suddenly came at me. I lost my "chastity," and I'm not even the canon pairing! Yan Yi Jieluo, you shameless heartbreaker! [Bleep!] A certain king with a giant sword hanging over his head: ...That sounds familiar. Almost like something that happened to me. A certain rich young master who plays basketball: ...Me too. A certain demon: ...Me too. A certain leader of a terrorist organization: ...Me too. The list of victims keeps growing... A certain pink-haired god of the two-dimensional world: ...Good thing I have superpowers, or I'd have been a victim too. But just how many people have you ruined? Heroine: I was just replenishing my mana... I'm really not a heartbreaker! A guide to this story: 1. The heroine is a tough, rough-and-ready type who likes smoking, drinking, and gaming. 2. The heroine is a future Servant on Alaya's side. She died saving the world. 3. There is no outline, just pure imagination. Feel free to suggest characters and ideas you'd like me to write in the comments. 4. The pairing is undecided. Feel free to place your bets. Premise: