Containment? Cube Man?

(My world + time travel + containment + cube people + strange monsters +...) That day, the door to the foreign land arrived, bringing opportunities and dangers. Countless monsters and strange props were called foreign shelters and foreign objects. Human technology was developing rapidly and was also full of dangers. … Lin Han has traveled to the MC continent for more than five hundred years. He has been to the Twilight Forest, managed the zombie crisis, and overcome parasites... He has been looking for a way home, and has entered countless dimensional worlds... Until he met the containment team and realized that maybe he could go back.