Metal Goddess Soldier

Description translated from the author:
University graduate Mu Siyun sent his resume to the star fleet on a whim and somehow became the Fleet Admiral! This is the story about an admiral with a harem of 3000 female soldiers conquering the universe.

Translator's version:
The smartest university student to ever graduate from Daxia University's Department of Political History, Mu Siyun, enlists in Beiyang's Fleet on a whim and somehow becomes the Fleet Admiral. Knowing fully well how the world works and how the rich dominate the poor, Mu Siyun seeks to defy the heavens and bring order and hope back to the universe by cleverly scheming against his enemies.