[Western Crossover] Saiyan Inventor, but Listed as an S-Class Threat by S.H.I.E.L.D.

When a Saiyan's fighting talent merges with the mind of a genius inventor, her life is destined to be anything but "normal."

By day, she's a prodigy at MIT, a specially appointed consultant at Star Labs, and a scientific genius hailed as the "Tony Stark" of a new era.

By night, she puts on another face:

An international master thief on the world's most-wanted list, a shadowy ghost online, a treasure hunter who can be anyone, an extraterrestrial traveler who saved Krypton from crisis, an urban legend in the dark...

She's saved the world, and she's stolen treasures. She hides her power and bears her secrets.

Until one day, she casually "steals" a fire department helicopter.

And the whole world goes into an uproar.

S.H.I.E.L.D. convenes an emergency meeting in the middle of the night: "Classify her as an S-level threat."

Batman frowns. "Her intentions are unknown. She's extremely dangerous."

Superman gazes up at the sky. "Maybe... she's just a lonely child?"

While everyone else is on high alert, this "global threat" is munching on an energy bar and sighing over her experimental data:

"QAQ, I just want to build a time machine to go home. How did I become a top-priority surveillance target for the whole world?!"

[Reading Guide]

This story features a fused setting, with Marvel and DC as its main worlds. Science fiction and mind games take center stage, while fantasy and combat play supporting roles.

It has a fairly serious tone and multiple secret identities. The heroine has the bloodline of an inventor and a Saiyan, with a brilliant mind and overwhelming physical strength. She usually keeps a low profile and prefers to solve problems with her brain.

(Since science fiction and mind games are the main focus, there are a few technical descriptions to flesh out the world. Feel free to skip them if you find them dull.)

Parts of the plot draw on the Marvel and DC film universes. The original characters' personalities are generally a blend of their film and animated versions. Whether the multiverse exists depends on what the plot requires. The story is set against the backdrop of a shonen manga world, but you don't need to have read it to enjoy this story.

This is not a mindless power fantasy. The characters will, as far as possible, remain intelligent and in character, and act according to their core motivations and basic natural laws.

If you spot any issues, please feel free to point them out. They're most likely due to the author's limitations, not the characters.

Theme: How can a traveler from another world live as her true self in a superhero world?