No Longer My Sister's Shield

Synopsis

My younger sister Ella had a rare disease. The slightest touch would leave her covered in bruises, and a fall could shatter her bones completely. She was our family's "porcelain doll." Growing up, the words I heard most often were that I had to protect Ella at all costs. So when she fell down the stairs right in front of me, I didn't hesitate to throw myself beneath her. Ella was fine. But I broke my leg and would be confined to a wheelchair for the rest of my life. After that, the words I heard most often changed to: "Anna, Ella will be grateful to you." My parents' praise made me even more devoted to protecting Ella. But after I protected Ella yet again, strange text appeared before my eyes. [Actually, Anna is pretty pitiful. She's protected Ella for so many years, and she'll die still believing Ella really is