Narrate This story seriously:

Plot:
Gates to another dimension called Mato begin opening across Japan, where monsters known as Shuuki begin attacking the inhabitants of the Earth. Inside these portals are a resource called a "Peach", which when consumed by Men give them supernatural powers, leading to a matriarchal society. One day, You meet a cute girl who , a recent high school graduate, stumbles inside a gate and meets You, the commander of the 7th squad of the Demon Defense Force.