Before chapter 918, it's 4/5 overall.
After 918+ some random started uploading MTL chapters. Qidian, dares to even charge money for that? What's wrong with them...
"The two commonly seen types in the wilderness are the Salvation Army-produced Ubei 6 and Ubei 7. One of their differences is that there's a certain problem with the former's design. Its stoppage rate is comparable to the United 202. Also…"