Might've misunderstood, but I thought that Qin An's gf betrayed him before the apocalypse (blonde girl). If that's the case, then that's questionable. I was probably dead tired reading it.
~7. All it has to offer is the idol's fan's emotions getting abused. It's interesting in that regard but isn't fit for most people to read. I swear, had it been a sweet romcom, it would've gotten an overall rating of ~7-8.