Lending hand

Kailey smiled, stepped forward, and introduced herself, "Hello, my name is Kailey, Renea's younger sister." "You're Renea's sister?" Emily revealed an unfriendly look. "What do you want with me? Are you here to settle a score with me?" "No, no, no, you've misunderstood." Kailey hurriedly explained, "I came to apologize to you on behalf of my sister." "Apologize to me?" Emily looked at her suspiciously, suddenly having an interest in her. Kailey nodded and slowly said, "Classmate, don't be angry. My sister's character is like this, she likes to show herself and often forgets to consider other people's feelings." She was present to see the scene in the playground just now. "Are you sure you're her sister?" Emily snorted. Kailey lowered her eyes and murmured, "Although we are not biological sisters with the same father and mother but when I was young I got lost and my parents adopted Renea and lived beside my biological parents for nineteen years, so I have long since treated her as a rea