A girl transmigrates to the world of Conan. "Why are you pretending to be my sister?" Conan asks warily, watching her. She says, "Do you have a sister? From now on, I'll be your sister. I know who you are, Shinichi Kudo. From now on, I'm Haruka Edogawa."
"Y-You, how do you know I'm Kaito Kuroba?" the surprised Phantom Thief Kid asks, staring at her from the rooftop. "Don't ask why. Anyway, I just know." The corners of her mouth curl into a smile. Conan arrives right away, and she tells Phantom Thief Kid, "We'll definitely ** each other in the future!" After hearing that, Phantom Thief Kid flies **.
"Haruka, from now on, you're our goddaughter," big sister Yukiko tells her. She smiles. "Sure, I'd love to. You don't mind, do you?" Uncle Yusaku and Conan say in unison, "We don't mind."
After transmigrating to the world of Conan, she has met all the main characters. In the end, will she return to her original world, or stay in the world of Conan..
This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.