Crossover Through Siheyuan: My Black-Market Trader Identity Has Been Exposed

When Qin Huan learned that his beloved, the one who held his heart, would die unless he could afford the special medicine to save her, he was plunged into despair.

Just then, he suddenly discovered that the Monkey Stamps he had kept for years could fetch a huge price.

A glimmer of hope arose from his despair.

But the very next moment, that hope was shattered!

Just as Qin Huan was utterly hopeless, he opened his eyes.

He had actually transmigrated into the Siheyuan compound in the 1960s, a place crawling with beasts!

As it turned out, he had bound himself to a quick transmigration Villain System, one that let him freely travel between worlds he had activated by completing missions!

Looking at the yard full of