Serious husband and Yu-i living a mundane life. One day, Yu-i is summoned by her husband's boss, Sada, who tells her that her husband has been receiving bribes from a client. Sada, pleading that she would do anything for her husband, begins to toy with Yu-i's anus, saying, "I don't need where it's been used." A few days later, Sada arrives at their home and violates Yu-i's anus right next to her sleeping husband. However, this was only the beginning, and Yu-i could never have imagined awakening to the pleasure of her anus...
