Danna-sama wa Shuumatsu Heiki
My Husband is a Doomsday Weapon.·旦那様は終末兵器
A scientist seeks to rebuild a civilization wiped out by ancient war when she discovers a powerful weapon capable of mass destruction. After it rescues her from an attacking robot, the weapon takes human form and declares her its master. Inspired by a romance novel, the weapon becomes devoted to her, leading her to consider that this might resolve her difficulty connecting with human men.