A Doomsday Drifter Messes with a Maniac? Run!

[Two male leads + both chaste + forced love + protagonist-focused + a naive, opportunistic bottom and a controlling top] Blue Star, year 3027. A relentless series of natural disasters turned into the apocalypse. A blizzard at the end of the year brought it to a close. The following spring, the ice and snow melted, and the humans who had survived by sheer luck saw a glimmer of hope for staying alive. It was a grand hope. But for Xia Guanyu, who had at least managed not to starve to death during that first year of the apocalypse, the odds of surviving on his own were slim. Other people were a threat. Mutated animals and plants were a threat. Finding food and water to fill his stomach was an even bigger threat. So he wanted to latch onto someone powerful. And so Xia Guanyu's opportunistic search for a sugar daddy began. It wasn't until he met Shen Xingxiang that Xia Guanyu's search was forced to end...