Imagine waking up in a world not your own, gifted with immense potential, only to find it locked behind a paywall. That's the reality for Gongzi Liang in *I Got Stronger By Using Copper Coins Until I Am Invincible*. Five years have passed since his arrival in this fantastical realm, five years taunted by the "Legendary Gold System" and its endless barrage of tempting, yet unaffordable, power-ups. Godly rings, mythical beasts, and unimaginable enhancements are all just a credit card swipe away, but Gongzi Liang is broke. However, necessity is the mother of invention. While divine artifacts remain out of reach, Gongzi Liang discovers an unexpected loophole: copper coins. These humble, virtually worthless tokens become the key to unlocking his true potential. By using them, he can rapidly accelerate his training, bypassing years of arduous effort in a single day. Daily missions offer coupons, adding another layer to his unconventional path to power. The novel cleverly blends the tropes of transmigration fantasy with a humorous twist on the gacha game mechanic. Gongzi Liang's resourcefulness and dedication, born from financial limitations, make him a compelling protagonist. The world itself is brimming with possibilities, and the satisfaction of watching him exploit the system's weaknesses is immensely appealing. If you enjoy stories where wit and perseverance triumph over seemingly insurmountable odds, then prepare to be entertained by Gongzi Liang's copper-coin-fueled ascent to invincibility.