Cannon Fodder Heroine: What's Wrong with Lying Flat?

Transmigrated as disposable cannon fodder in a harem novel? Sheng Xi's solution: quit while she's ahead. Destined to be a stepping stone for the 'perfect' heroine, she ditches her sect overnight and finds a peaceful new home—only to discover her new senior brothers are all future members of the heroine's harem. With a death flag no matter where she goes, Sheng Xi decides if she can't escape fate, she'll blow up the heroine's carefully cultivated fish pond instead. Now the once-smitten senior brothers won't even glance at the heroine, and everyone's circling around the 'cannon fodder' they were…