Femboy Scientist is Secretly the Demon Lord

Alright the plots in the title and this is entirely inspired by a certain 2 manga/manhwa the stories that inspired this are "I killed an Academy Player" and "Over summoned, Overpowered, and Over it" Both are great reads and I hope you people enjoy them if you enjoy this. Also The basic plot will now be written.

As we all know the hero of a world must go on a perilous journey to defeat the demon lord slowly growing in strength to become stronger and gain party members. However what you didn't know is that in this world the demon lord has to also go on an evil and cooler villanous journey to become strong enough to face the hero. However while the demon lord is usually powerful this one isn't but who needs strength when your understanding of botany, robotics, mathematics, chemistry, biology, and all the other types of sciences are through the roof.