The School's Proud Beauty Wants to Become a Mecha at Midnight!

The Story

Caesar Leat is a F-tier nobody in a world dominated by Mecha Girls, ignored by everyone until the Upgrade System awakens. He crafts his first SSS-tier masterpiece from scraps and pure grit, turning a dying Mecha Girl into a legendary asset. With every new upgrade, he climbs the peak of power, but this rapid ascent draws dangerous attention. The dark elite group Mechanicus believes they are untouchable, unaware that they have not yet faced the man who transforms trash into legend. Meanwhile, the Mecha Girls around him would burn the world for him, showing no hesitation in their absolute devotion to their creator.