I'm a female field team. What's wrong with a little black technology?

Story of: I'm a female field team. What's wrong with a little black technology?

[Title 1 of this book: My Women's Field Corps, what's wrong with having some black technology; Title 2: Let you take over the women's corps, and you will become the master of the planet; Title 3: Start with black technology and create an undead women's corps] This is a planet where time is the currency. There are many legions on this planet, and time can be obtained by hunting time beasts. At the beginning, an unfair appointment letter made Du Fei the commander of a non-staff legion. This legion is very poor and its equipment is extremely backward. Not only does it have no combat power, but the key is that it is all female soldiers. Eating bran and vegetables? Lack of guns and artillery? Not possible. A series of black technologies turned out, and Du Fei led his female soldiers to push all the way! As the women's field regiment gradually grew, Du Fei discovered the unknown truth of this planet...