徐仁國

- All for You
- Reply 1997 - Love Story, Pt. 1 (Original Television Soundtrack) - Single · 2012年
- MY LOVE (feat. RAVI)
- LOVE&LOVE - Single · 2022年
- Love Again
- Take #1, Vol. 3 - Single · 2011年
- pray (Instrumental)
- pray (Webtoon 'The Princess’s Guide to a Perfect Life' Original Soundtrack) - Single · 2025年
- pray
- pray (Webtoon 'The Princess’s Guide to a Perfect Life' Original Soundtrack) - Single · 2025年
- Hirune (Nap) [Instrumental]
- IRO - EP · 2025年
- Dawn
- IRO - EP · 2025年
- Tonariawase (By your side)
- IRO - EP · 2025年
- Stupid
- IRO - EP · 2025年
- Ai no kotoba (words of Love)
- IRO - EP · 2025年

pray (Webtoon 'The Princess’s Guide to a Perfect Life' Original Soundtrack) - Single

pray (Webtoon 'The Princess’s Guide to a Perfect Life' Original Soundtrack) - Single

2025年
IRO - EP

IRO - EP

2025年
Couple - Single

Couple - Single

2025年
SIGnature - EP

SIGnature - EP

2024年
2024 SINGLE ALBUM [SEO IN GUK] - Single

2024 SINGLE ALBUM [SEO IN GUK] - Single

2024年
My Love - Single

My Love - Single

2024年
Death's Game Original SoundTrack Part.2 - Single

Death's Game Original SoundTrack Part.2 - Single

2023年

If Only (feat. Seo In Guk) - Single

If Only (feat. Seo In Guk) - Single

Babylon
Stay For Me (feat. Seo In Guk) - Single

Stay For Me (feat. Seo In Guk) - Single

HYUK
OMG (feat. Seo In Guk & Dok2) - Single

OMG (feat. Seo In Guk & Dok2) - Single

ILLSON
줄래 (feat. 서인국) - Single

줄래 (feat. 서인국) - Single

Swings