Description-

Yerin was a bright kid. She was intelligent and observant with a flair of sciences but, her dream of becoming a doctor was cruelly snatched from her. Destroyed when her family was murdered in front of her own two eyes over an incident which they were wronged for.

Now she seeks revenge on the person who sent her once peaceful life spiralling out of control. 

Ship- sinrin, wonha, yumji

https://www.asianfanfics.com/story/view/1291153/contract-killer-vendetta