[Western Crossover] The Saiyan Scholar's Path to Antiheroism

When a Saiyan's battle instincts combine with a genius scientist's brain, her path is destined to be unlike anyone else's. In public, she can be a genius student at the Massachusetts Institute of Technology, a specially appointed consultant at the Star Labs, and a prodigy whose intelligence and creativity rival Tony Stark's. In secret, she's a headache of a person who pits her wits against countless superheroes and supervillains. No one could imagine that the famous thief who went straight, Gotham's womanizing punisher, the mysterious traveler who killed a Kryptonian invader, and the terror king who wears a black mask in the dead of night... were all one and the same person. She's sometimes an enemy and sometimes a friend to Superman, feared by Batman, and even hunted by the entire world... This one-of-a-kind antihero's path will be defined by her alone. And so, after a Saiyan brat with a genius scientist's brain sneaks into the world of superheroes... Iron Man: Who hacked into my Stark Tower?! Spider-Man trembles: W-w-wait, please don't dissect me. Gotham's darling: Who keeps trying to sneak a sack over my head?! Oracle: Please stop trying to hack my dad's workplace! A certain red-caped man who's been thoroughly bamboozled: Can I join this whatever-it-is committee of yours? *This is a crossover setting. The story blends Detective Conan, Slam Dunk, Marvel, and DC into one world. The main timeline follows Marvel and DC, while Detective Conan and Slam Dunk serve as background settings. Important: Saiyan + super genius + multiple secret identities The heroine's main jobs are student and inventor. Every day, she has a blast while diligently keeping her secret identities hidden. She's chaotic neutral, constantly wavering between good and evil. The heroine is willful and self-centered in the early part of the story, but she has her own goals and moral code. She's an antihero with limits, not an entirely virtuous good person. Later, she will grow in maturity as she comes to understand the world. So this can be considered a coming-of-age story. Even though the heroine is already powerful from the start, she will continue to grow in all kinds of ways... P.S. The heroine is the daughter of the protagonist of one of my other stories. She made a brief appearance there, competed in a martial arts tournament, fought Goten, and took part in the battle against Majin Buu. By the time this story begins, she's grown up. She has Saiyan blood and inherited the Bulma family's talent for invention. She's a true genius. Since this story crosses over many worlds, please don't scrutinize the timeline or multiverse too closely. You can think of it as a blended version, extrapolating from the larger Marvel and DC settings. The main characters and major events are based on the movies. I'll do my best to keep everyone in character and respect basic logic and natural laws, but my abilities are limited, so feel free to point out any problems. Important notice: So many things have been removed, revised, and added during the major overhaul, and the characters, relationships, event details, and nearly everything else have been substantially reshaped. Revising the original story no longer meets the need, so a reboot is now available. Reboot: [Western Crossover] Saiyan Inventor, but Listed as a S-Level Threat by S.H.I.E.L.D. The reboot will have tighter plotting, stronger logic, better prose, more fun, a richer world, and improved character development. It will make up for the original's shortcomings and flesh out the worldbuilding, plotlines, and character arcs as fully as possible. Most early chapters have been heavily rewritten, and the later plot may take a different direction too. Even if you've read the original, you can treat this as a mostly new story. P.S. The first six chapters have been revised from the original. The new version picks up from Chapter 7, which is where the plot starts to diverge. If you don't want to reread anything, you can start at Chapter 7. The reboot will launch with three chapters on January 1, 2026. It will tentatively update daily for the first few days, then every other day. The main plot is complete. I'll do my best to maintain the quality and frequency of updates. Theme: The story of a genius little girl who comes to understand the world and finds her goals and sense of self.