Powerful Big Shot Is Quite Cautious is a Manga/Manhwa/Manhua in english language, Manhua series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

In Lian Meng College's virtual portal, the ace students of each college are doing their best for the graduation assessment, all the while waiting for the Breaker. In the end, a mysterious man with the code name Ling surpassed the ninth-level difficulty of the Seth Canyon alone. Thus, giving +1 to the CV evaluation of all Nan Luo College graduates. In the midst of the crowd's cheers, Lin Chuan, the user of code name Ling, couldn't help but smile in the equipment maintenance room. Everything seems to hold secrets.