Momoha was happy with her kind and earnest husband and lived a very ordinary married life. One day, her drunk husband was brought home by his boss, whom she had once admired. Before they knew it, the two were naturally drawn to each other. Without speaking to anyone other than their husbands, their dreary, monochrome daily lives began to take on color and brilliance. The wife of the boss's subordinate, and the boss of the married husband, each of them fell in love with someone they should not love. Despite their infidelity, the two fell in love with each other...