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Our Happy Days OST Part 1

Information

Our Happy Days OST Part 1

• Title: 기쁜 우리 좋은 날 OST Part 1 / Our Happy Days OST Part 1
• Artist: Lily (릴리)
• Language: Korean
• Release Date: 2026-Apr-14
• Number of Tracks: 2
• Publisher: NHN Bugs (NHN벅스)
• Agency: Donut Music ((주)도너츠뮤직)

Track Listing

No.	Song Title	Artist
1.	Nothing Feels Better 너무 좋은 걸 어떡해	Lily (릴리)
2.	Nothing Feels Better (Inst.) 너무 좋은 걸 어떡해 (Inst.)	Lily (릴리)

Our Happy Days OST Part 2

Information

Our Happy Days OST Part 2

• Title: 기쁜 우리 좋은 날 OST Part 2 / Our Happy Days OST Part 2
• Artist: Jun Gun Ho (전건호), Lee Ah Young, Kim Ye Chan (김예찬)
• Language: Korean
• Release Date: 2026-May-12
• Number of Tracks: 2
• Publisher: Genie Music (지니뮤직)
• Agency: Magic Strawberry Sound (매직스트로베리사운드)

Track Listing

No.	Song Title	Artist
1.	Lalala 라라라	Jun Gun Ho (전건호), Lee Ah Young, Kim Ye Chan (김예찬)
2.	Lalala (Inst.) 라라라 (Inst.)	Jun Gun Ho (전건호), Lee Ah Young, Kim Ye Chan (김예찬)

Our Happy Days OST Part 3

Information

Our Happy Days OST Part 3

• Title: 기쁜 우리 좋은 날 OST Part 3 / Our Happy Days OST Part 3
• Artist: JER!N (제린)
• Language: Korean
• Release Date: 2026-Jun-16
• Number of Tracks: 2
• Publisher: NHN Bugs (NHN벅스)
• Agency: Donut Music ((주)도너츠뮤직)

Track Listing

No.	Song Title	Artist
1.	Closer To You 너에게 전할래	JER!N (제린)
2.	Closer To You (Inst.) 너에게 전할래 (Inst.)	JER!N (제린)

Our Happy Days OST Part 4

Information

Our Happy Days OST Part 4

• Title: 기쁜 우리 좋은 날 OST Part 4 / Our Happy Days OST Part 4
• Artist: Im Dan Woo (임단우)
• Language: Korean
• Release Date: 2026-Aug-09
• Number of Tracks: 2
• Publisher: NHN Bugs (NHN벅스)
• Agency: Donut Music ((주)도너츠뮤직)

Track Listing

No.	Song Title	Artist
1.	Goodbye, Happy Days 기쁜 우리 좋은 날은, 안녕	Im Dan Woo (임단우)
2.	Goodbye, Happy Days (Inst.) 기쁜 우리 좋은 날은, 안녕 (Inst.)	Im Dan Woo (임단우)

See Also

• List of OSTs released in Korea in 2026