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 rse to a high enough level, she can create amazing inventions that would normally be impossible to construct!!
(Source: K.I.S.S.)

Spinoff of Assassination Classroom serialized in Saikyou Jump. Story is akin to Assassination Classroom's where students must kill their teacher. However this one focuses around gags and funny situations in a medieval-fantasy RPG setting.