Koisuru Edison

Koisuru Edison (恋するエジソン) is a manga series by Kizuku Watanabe. It was serialized in Shounen Jump.

Plot
Thomas Edison, a deceased scientist, stuffed all of his knowledge into his final invention, a screw which is now planted in Matsunaka Spica's head. Due to this, she is able to create many extraordinary inventions that are impossible to construct for a normal person