Letter to Hong Kong
Movie| Title | Letter to Hong Kong |
| User score | 8 |
| Release date | Mar 17, 2018 |
| Genre | Documentary, Mystery |
| Director | Seong Wonmo , Moon Seokho , DIGIPEDI |
| Production country | South Korea |
| Production companies | Blockberry Creative, Digipedi |
| Run time | 2 min. |
Away from her home in Hong Kong, Vivi records her daily life as a member of Loona in a video letter to her parents.
