2013 - 5010s Continued

Love Shalalala - Collaboration - Solo - January 30, 2013

1. My Love, Good Bye - Lee Jung Bong feat. Heo Young Saeng

Life - Young Saeng Mini Album 3 - Solo - March 14, 2013

1. Life
2. 작업의 정석 [The Art of Seduction]
3.  그게 나야 [That's Me]
4. 알아 다 [Know Everything]
5. 작업의 정석 (instrumental)

Tonight - Hyun Joong Japanese Single 3 - Solo - June 5, 2013

1. Tonight
2. Cappuccino
3. 君だけを消せなくて [I Can't Erase You From My Memory]

Omoide wo Kimi ni [The Memories to You] - Young Saeng Japanese Album 2 - Solo - July 3, 2013

1. いつでも僕は君といる(新曲) [I Will Be With You At Any Time (new song)]
2. ホシゾラ (SS501 楽曲カバー) [Hoshizora (Starry Sky) (SS501 cover)]
3. Mermaid… (SS501 楽曲カバー) [(SS501 cover)]
4. Again (SS501楽曲カバー)  [(SS501 cover)]
5. 愛なのでしょ acoustic ver.(リアレンジ) [Is It Love(?) acoustic version (rearranged)]
6. とぎれた夜をつないで 2013 (リアレンジ) [Connect the Broken Night 2013 (rearranged)]
7. Dream on 2013 (リアレンジ) [(rearranged)]
8. Everything you (新曲) [(new song)]
9. All My Love (SS501 楽曲カバー) [(SS501 cover)]
10. はじめて見る空だった memorial ver. (セルフカバー) *通常盤のみ収録 [Hajimete Miru Sora Datta (First Time Seeing the Sky) memorial version (self cover) *only on album edition]

Round 3 - Hyun Joong Mini Album 3 - Solo - July 22, 2013

1. Unbreakable feat. Jay Park
2. Your Story feat. Dok2 (Korean remix)
3. As Before
4. Gentleman
5. I'm Yours
6. Let's Party

Always Love You - Hyung Jun Single - Solo + Collaboration - August 13, 2013

1. Always Love You (우리 둘이) [We Two] feat. KOTA (Sunny Hill)

Lotte Duty Free 2013 - Collaboration/Image Song - Solo - September 5, 2013

1. You're So Beautiful (Korean version) - Kim Hyun Joong, Choi Ji Woo, Song Seung Hun, Jang Geun Suk, Cho Shin Sung, Super Junior, 2PM, Lin Chi Ling
2. You're So Beautiful (Japanese version)
3. You're So Beautiful (English version)
4. You're So Beautiful (Chinese version)

She - Young Saeng Special Album - Solo - October 16, 2013

1. 가을 길목 [Autumn Corner]
2. 휴 [Hyoo (Sigh?)]
3. 몸이 약한 아이 [Weak-Bodied Child]
4. 못다한 이야기 [Unfinished Story]
5. Weak-Bodied Child (instrumental)