My Door Connects 2022 & 1982

Broke and directionless in 2022, Wang Yi's life takes an absurd turn when a forgotten family key transports him to his abandoned island home—in 1982! Suddenly, his modern clothes make him a suspected spy, and survival in this alien past becomes a desperate struggle. But the ancient green key wasn't just a one-way ticket. It opened a hidden \"Space-Time House,\" allowing him to effortlessly jump between the advanced world of 2022 and the resource-rich, simple era of 1982. Modern medicine for vintage antiques? Future knowledge to prevent past mistakes? The possibilities are endless. But how far can he push his luck before he disrupts the timeline, attracts unwanted attention, or discovers the true cost of meddling with history?