Rainbow-colored game maker (1-3 volumes)

the publisher:
Author: Takashi♂
Size: 128mm x 182mm
Number of books: 3
Language: Japanese
Category: Female manga, manga
Latest publication date: 2023-02-10

Synopsis:
A single high school girl makes hundreds of millions of hundreds of millions.

Madoka Nijino is a dull high school girl.
Friends are just games.
―― But she was a genius to make a game!
There was no place at school or at home, but one day, the first game "Colorful" created in my life has been played around the world, calling on a record topic on SNS.
Furthermore, this triggered that talent and belonged to the major game company "+Gear "-!?!?!?
This is a story where a single girl is hooked on hundreds of millions of people and renews the game industry!