Alva System

Kalina Evans is a girl with a mental illness and she tries to heal herself by traveling. During a trip, she and her young sister were trafficked to a foreign country, and for a long time they decided to run away, but that decision took away her most important sister. Kalina is engulfed by hatred, she chooses to be sold again so she can avenge her sister. Kalina's hatred is probably too great so linked to a system of revenge called Alva. She thought this revenge system was the ghost of her sister until she learned it was actually artificial intelligence. It was crazy, she wondered what madman had created the system. But soon she also meets someone who seems to be related to the revenge system, somehow he can always show up and get in the way of her revenge.