Cross the Border

When a black hole the size of a person was suspended on the floor of the rental house, Zhou Ran thought it was a hallucination before his sudden death during overtime work, but after confirming that everything was real, curiosity and desire ignited in his heart. This portal that randomly connects to the unknown world has endless temptation for teenagers who are in need of money. Mechas, Zerg, magic, doors that connect wireless possibilities, vast wealth in other worlds, strange worlds and adventures, opportunities and risks coexist. Obscurity? Or a wealthy family? Zhou Ran: "It's all about making money. I don't have to live in poverty. I can endure any hardship. But who wants to stop me from making money? Haha..."