I Got a Door Between Worlds — and My Middle School Knowledge Broke Immortal Cultivation.

From a blue-collar office drone to an otherworldly immortal lord: no grueling meditation, no divine talent — just a door that goes both ways. Sell pills on Earth to buy a mansion, bring tech to the cultivation world to humble ancient ancestors. Both lives? Completely cheat-mode enabled. Chen Mo was just an ordinary overtime-grinding *** office worker — until one morning, he woke up finding his left hand could touch his computer screen while his right hand could grab spiritual herbs. He soon discovers: On Earth, a single lowest-grade "Fasting Pill" auctions for a fortune, making him financially free overnight; In the cultivation world, a rechargeable flashlight convinces sect elders that he's a "Thunder Dharma Immortal"; Cultivation doesn't require a century of enlightenment — just bring over modern logic, industrial-scale production, and business savvy. Cultivation manuals can be reverse-engineered, resources can be bid on, and enemies can be "dimensionally outclassed." No system quests, no forced plotlines — just the pure arbitrage advantage of free two-way travel. Chen Mo takes the most pragmatic path: enjoying his earthly life while building his own rules in the cultivation realm — no kneeling to patriarchs, no sucking up to prodigies, no following the "chosen one" script. He's simply a cultivator who believes in "cost-performance." This story is light, stress-relieving, and smart. Perfect for readers who want a cross-world power fantasy that's not frustrating, not angsty, and not forced.