Nuclear Doomsday: Building the Perfect Bunker from the Start

When a red mushroom cloud rises, the order of the old world crumbles in an instant. While everyone else struggles desperately to survive the apocalypse, Ye Fan, who prepared the perfect shelter long ago, can only sip his cola and lament humanity's end. “Oh, right. I think it's my turn to visit the campus beauty's room today.” (This story is entirely fictional. Any resemblance is purely coincidental.)