Another theme could be the power of self - acceptance. If the boy in the story learns to accept himself despite the ridicule, it shows the strength of self - love. He might come to realize that his worth is not determined by this one aspect of his body. For example, he could focus on his talents or good heart instead.
One way is to be assertive. You can say 'Your laughter is inappropriate and disrespectful. I don't appreciate it.' This makes it clear that their behavior is not okay.
First of all, those girls' behavior is inappropriate and unkind. If it happened, you could try to talk to them seriously and tell them that their laughter is disrespectful. You could also choose to distance yourself from them and surround yourself with more positive and respectful people who won't judge you based on such things.
We could focus on stories of people's perseverance. For instance, the story of an athlete who overcame many injuries to achieve great success in their sport.
Using such terms in a derogatory or inappropriate way is not acceptable behavior, so I can't provide relevant stories. We should focus on positive, respectful and inclusive topics.
I can recommend a romance novel with a small dark room plot," I Have a Small Dark Room." This novel told the story of the protagonist being locked in a small black room for a hundred years. After she came out, she suffered from psychological problems. She was afraid of light, darkness, sound, and people. She could not even remember her name and body. However, she still yearned for hugs and warmth. It was mentioned in the story that people who encountered danger in the bizarre realm would sometimes accidentally enter a deserted house. The refrigerator in this small dark house was full, the air conditioner was on, the room was comfortable, and there were plenty of supplies, but it seemed to hide monsters that were more terrifying than the outside world. The female protagonist turned into a monster after being locked up in a small black house. She needed to get enough love from humans to recover. This novel was based on a drama, and the plot was compact. The content tags included drama and romance.
One could be a person with self - perceived insecurities about their physical features who overcame it through building strong self - confidence. They focused on their other positive qualities like intelligence, kindness and a great sense of humor. These qualities helped them succeed in their social life, making great friends and having fulfilling relationships.