Secret Letter

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Secret Letter · Boramiyu

The Practical Guide to Love (Original Television Soundtrack), Pt. 5

℗ 2026 SLL

Vocals: Boramiyu
Composer: Kim Ju Yeon
Lyricist: Eunyul
Arranger: Kim Ju Yeon
Producer: Seo Dongug
Producer: Kim Chaeeun
Programmer: Park Yonghyun
Piano: Park Yonghyun
Drums: Park Yonghyun
Guitar: Jeong Suwan
Guitar: Jeong Suwan
Bass: Lee Yoon
Mixer: KO SEUNGWOOK
Masterer: Kwon Namwoo

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