LEE SEOYEON – 너는 나 나는 너 (I Am You, You Are Me) (Our Secret Diary X LEE SEOYEON)

January 10, 2024

PATEKO, Jayci yucca – 하루 더 생각해 (Just One More Day) (Our Secret Diary X PATEKO, Jayci yucca)

January 9, 2024

siso – Gloomy Star (Our Secret Diary X siso)

January 3, 2024

Zia – 한참 지나서 (After A Long Time) (Our Secret Diary X Zia)

December 27, 2023

Lokid – 좋아한다고 말하면 사라질까 봐 (I’m afraid you will disappear in someday) (Our Secret Diary X Lokid)

December 14, 2023

Kwon Jin Ah – 그댄 달라요 (You’re Different) (Our Secret Diary X Kwon Jin Ah)

December 4, 2023

Ko Yujin – 단 한사람 (Just One Person) (2023) (Our Secret Diary X Ko Yujin)

November 11, 2023

Onestar – 영화 같은 사랑 (Our love is like a movie) (Our Secret Diary X Onestar)

November 7, 2023

Kim Seungmin, Cosmic Boy – 12:45 (Our Secret Diary X Kim Seungmin, Cosmic Boy)

October 21, 2023