Stop Marika-chan!

is a Japanese light novel series written by Seiya Sagunuma, with illustrations by Yano Mirura. The series began publication on January 10, 2008 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
"Wow, did you make a strange creature again !?" "Yeah, I thought Hoshi would be happy." Mido Marika, 16 years old, a government-approved biotechnology genius child. She ended up living with her for some reason, but it messed up my peaceful life ... It's misunderstood by the girl I admire, and it's attacked by strange creatures almost every day, and this kind of life ... No, no, no, no, no, no! Comes with color comics and bonus comics. A little surrealistic biological / school comedy.