Returning to College After Being Confused in Time and Space

The four old people lived a good life in different time and space and enjoyed their old age. They never expected that an accident caused time and space confusion and the four people were transported to the university to regain their lives. They were still roommates, and they all retained the memories of their previous lives. The four of them obtained different superpowers, Jiang Ping: mind control, Yang Heng: super-light teleportation, Xie Can: clone technique, Li Yang: physical sanctification. From then on, a different university life began