My Friend (친구여) Heejin Kim (KOR), Misun Yu (KOR) & Kyungjoon Park (KOR) - May 2021
32 Count 4 Wall Beginner Music: My Friend (친구여) (feat. Insooni (인순이)) - Cho PD (조PD)
My Friend (친구여) Hyo-im Kim (KOR) - June 2022
68 Count 4 Wall Improver Music: My Friend (친구여) (feat. Insooni (인순이)) - Cho PD (조PD)