Shen Zhiyi, a top tailor who dressed up as a straw bag abandoned by her family, wanted to survive day by day as a transparent person. But he discovered that the mechas in this world actually relied on human flesh to conduct heat energy, and the pilots suffered huge physical backlash every time they attacked. And the mecha cloak he sewed can perfectly insulate from the high temperature. When his seemingly mediocre sewing skills became the only "weapon of choice" that could painlessly control mechas in this empire where mechas and thermal weapons were the mainstream, everyone was silent.
