Letter to Hong Kong
- Gore: 2018
- Nyika: South Korea
- Genre: Documentary, Mystery
- Studio: Blockberry Creative, Digipedi
- Keyword: k-pop, short film, music
- Mutungamiriri: Moon Seokho, Seong Wonmo, DIGIPEDI
- Cast: Jeon Hee-jin, Kim Hyun-jin, Cho Ha-seul, Wong Ka-Hei, Jeong Jin-sol