Crimson Clover

For love, Xia Ruoshui followed her boy friend to the Magic Capital and found an apartment on No. 44 West Street. In the same building lived a girl Luo Zheng and her strange mother Lü Luo. Luo Zheng was known as "The Reaper", because the rumors said that anyone who came in contact with her would mysteriously disappear. Xia Ruoshui got caught up in a lovers dispute and was badly hurt, but Luo Zheng was there and infused her own blood into Xia Ruoshui to save her from death...

(Source: Tencent, translated)

Note: Includes 10 extras chapters and 4 side-story chapters.