Why does an ordinary married woman expose her naked body to men other than her husband? A two-day record delving into the depths of a married woman's heart. Yuu U (pseudonym), a 34-year-old married woman working part-time at a restaurant, got married at 22 after her first relationship at 19. However, due to domestic violence from her husband, she divorced the following year. She met her current husband, who works at a bookstore, through a friend's introduction. Although hesitant, she remarried at 28, drawn to his calm personality, unlike her previous husband. Although their relationship is good, both are busy and have little time for each other. Concerned about the lack of sex in their marriage, the married woman decides to investigate her husband's unusual sexual preferences after a certain incident... "I applied for an AV to confirm my husband's sexual preferences." The married woman, troubled by her marital sex life, writhed intensely with another man's cock.