After Transmigrating, I Sustain My Life by Taking a Husband

Jiang Yuchu didn't know whether she was lucky or unlucky to get caught up in the transmigration craze. She went to sleep and woke up in ancient times. Fine, she'd transmigrated. But could someone explain why everyone else woke up in a carved bed, in a handsome man's arms, or at least in a bed, while she had woken up in a coffin? And the coffin wasn't even well-made... This tumbledown house, these broken tiles, these drafty walls... Had she ended up in a slum or something? What kind of rotten luck was this? She could put all that aside, but could someone tell her what this business of marrying a husband to prolong her life was about? Huh? Wait! Marrying a husband? Well, it might not be such a bad idea... Ahem, to be clear, she wasn't after a handsome man's good looks. She just wanted to stay alive...