TiN-So: Kimi ga Te ni Suru Ore no Ex Machina  

TiN-So: My Ex Machina That You Grasp in Your Hand, TiN-So 君が手にする俺の機巧魔剣〈エクスマキナ〉

A boy with the power to create the strongest weapon meets a girl who must take his sword in her hands to save the world.(Source: MU)