It's said that Thomas Edison stuffed all of his knowledge into his final invention, a screw. Presently, said screw, is buried inside the head of Matsunaka Spica, a high-school girl!!! When Matsunaka Spica's thoughts rise to a high enough level, she can create amazing inventions that would normally be impossible to construct!!

(Source: K.I.S.S.)

Included one-shots: Volume 3: Koisuru Edison (pilot), Juusou Shishunki-hei Teeneither