"The Hunting Gun" is a short story written by Yasushi Inoue, a Japanese author known for his exploration of human emotions and relationships. The narrative unfolds through a series of letters, revealing the complexities of love, betrayal, and the impact of a single event on multiple lives. The story centers around a man who discovers a letter from his wife, which leads him to confront the reality of her infidelity. The hunting gun symbolizes both the act of hunting and the emotional turmoil experienced by the characters, highlighting themes of loss and the consequences of choices made.