After My Sister Died, I Went Crazy

My sister is the most talented woman famous in the capital. But I am a concubine raised in a remote mountain with no one to ask. My father often said that the glory of the Marquis Mansion lies with my sister. When we met again, my sister was lying quietly in the coffin, with horrific scars all over her body. What they don't know is that my sister is the most important person in this world to me. I will never let go of anyone who has hurt her.