Upgrading Mecha Girls Is My Passion!

The Story

Caesar Leat starts as an F-grade reject, completely overlooked in a society ruled by Mecha Girls. His life changes when an Upgrade System awakens, allowing him to forge a dying unit into his first SSS-grade masterpiece using only scrap metal and determination. He climbs the ranks one upgrade at a time, turning junk into legends. The Mechanicus, a dark elite group that pulls the strings from above, believes they remain untouchable. They fail to realize that Caesar is dismantling their power. His newly forged Mecha Girls are fiercely loyal, ready to burn the world down for him. Caesar continues his ascent, transforming discarded units into formidable forces while the Mechanicus watches from the shadows, unaware of the threat growing beneath their feet.