A married woman named Nozomi lives in her husband's family home. One day, Nozomi accidentally drops the hamster cage of her brother-in-law. Seeing this, her brother-in-law retreats to his room. That night, he accidentally witnesses sexual intercourse between his brother and sister-in-law intended to comfort the depressed wife. From then on, he begins to demand the same love from Nozomi as his brother does. This desire gradually escalates…
