On the Verge of Death! Unlock the Machine-Girl Maid Summoning Technique!

Xu Mao once heard that the profession of mechanic is very evil. But he never thought it would be so extraordinary. His light shield constructing machine is a blond doll. His magic cannon is a sassy big sister. His magnetic storm tower is a little girl whose ears are not very good. … Although his creation is strange, there is no doubt that Xu Mao is very strong. After all, others rely on real swords and guns to defeat the enemy. He defeated the enemy army by dragging his family with him.