"Kolya's Sister" is a short story by Vladimir Nabokov, focusing on the relationship between a young girl and her brother, Kolya. The narrative explores themes of innocence, familial bonds, and the complexities of childhood. The story is set in a post-war environment, reflecting the emotional struggles faced by the characters. Through vivid imagery and poignant dialogue, Nabokov captures the essence of their experiences, highlighting the impact of their surroundings on their lives and relationships.