Derossi's character in this novel is excellent in character and knowledge, and he is also very kind to people.

1. Excellent academic performance: Derossi has always been one of the best students in the class. He studies seriously and rigorously, is courteous to his elders, and is friendly and respectful to his classmates.

2. Treat people kindly: Derossi is kind, enthusiastic, lively and polite, and always loves to help others. He brought illustrated newspapers, pictures and things sent by others from home to his classmates.