The demon Luciel believes that he can become an angel if he makes humans happy, and is always searching for humans who are in love. However, Luciel's idea of ​​happy love is taboo for humans. He sets his sights on women like an office lady suffering from pre-wedding jitters who is attracted to her boss at work, and a housewife who has a crush on a younger, handsome man, and tries every trick in the book to make their love come true... This story depicts Luciel, the demon of lust, encouraging people's immoral love affairs.