Scattered branches and leaves

Shi amaranth and Shi hazel are a pair of sisters. As a sister, Shi amaranth always takes care of her sister. Her sister suffers from acquired autism. Therefore, she has always received most of her parents' attention. Being ignored makes Shi amaranth feel very sad. She hates her sister. However, in an accident, my sister was killed. She knew: it turned out that she loved her most in the world. She couldn't accept her sister's departure. She was distracted and described as stupid. And where is the killer? Why did the killer kill her? Shi amaranth replaces her sister and looks at the world with her eyes. Her life is still in danger. The murderer lurks near her as if waiting for the opportunity... Justice will be late, but will never be absent!