[Machine Translation] After Japan's defeat in World War II, there was peace in Japan. I was tormented by regrets for not being able to protect my sister and a desire for revenge against the enemy, the United States. One day, my family is suddenly evicted from their home to make room for an American family. I turn my revenge on the American girl who lives in my house. However, what awaited me after I had accomplished my revenge was a letter from the girl and a thumbtack. What is the girl's thought that was put in the tack?