Unbreakable Machine-Doll

Unbreakable Machine-Doll ( Mashin-Dōru wa Kizutsukanai?, also known as Kikō Shōjo wa Kizutsukanai), is a Japanese light novel series written by Reiji Kaitō and illustrated by Ruroo. Media Factory has published 12 volumes under their MF Bunko J imprint since November 2009. A manga adaptation by Hakaru Takagi began serialization in Media Factory's Monthly Comic Alive magazine in 2010. A 12-episode anime television series adaptation aired in Japan between October and December, 2013.

Plot
It is the early 20th century, Raishin Akabane is a student puppeteer from Japan, who has come to the Walpurgis Royal Academy of Machine Arts in England to study the emerging field of Machinart: a combination of magic and technology with military applications. He is accompanied by a girl named Yaya, who is actually his Automaton: a living machine doll powered by magical circuits specialized in hand-to-hand combat. In the Academy, there is a combat tournament exclusive to the Top 100 students and their automata, to decide who shall be bestowed with the title of "Wiseman", the greatest puppeteer.