4: Clean Island
- Cast: Sulli, Park Ga-bi, Hwang Mi-young
- Duration: 29 minutes
- Genre: Drama
- Rating: 7/10
- Release Date: 2023-09-27
Nezzy arrives at the airport dreaming of moving to ‘Clean Island’, the cleanest place in the world. She will undergo a strange immigration process at the immigration hall, where she begins to tell the story of ‘4’ and a special pig to the examiner who tells her that she can only pass if she confesses her sins.
