City: People Are on a Blind Date, and Men in Black Come to the Door

Jiang Fan traveled to another world and learned that alien beasts were about to invade Earth. Fortunately, he activated the doomsday savior system. As long as you break down the items on the alien beasts, you can get points to exchange for various items. After three years of planning, they were finally approached by a man in black during a blind date. "Ding, congratulations to the host for successfully redeeming the body enhancement liquid!" "Ding, congratulations to the host for successfully redeeming the nanotechnology battle suit!" "Ding, congratulations to the host for successfully redeeming the Battle Angel mecha!" … While all countries are worried about the invasion of alien beasts, Jiang Fan has already established a mecha army! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.