Last Song 2015

CS NUMBERS (CS NUMBERS) 2014

Everlasting 2014

My Baby U (애기야) 2010

Couple - Special Single (커플 (Couple) - Special Single) Single • 2025

SIGnature EP • 2024

2024 SINGLE ALBUM [SEO IN GUK] Single • 2024

이재, 곧 죽습니다 OST Part 2 Single • 2023

THE X EP • 2023

Fallen Single • 2022

Seo Single • 2022

Minamdang (Original Television Soundtrack, Pt. 6) Single • 2022

LOVE&LOVE Single • 2022

Doom at Your Service (Original Television Soundtrack), Pt. 7 Single • 2021

All For You (instrumental) Jeong Eun Ji & Seo In Guk • 55M views

Couple Jeong Eun Ji & Seo In Guk • 1.6M views

우리 사랑 이대로 (Just the way we love) Jeong Eun Ji & Seo In Guk • 4.8M views

부른다 메달 Seo In Guk • 1.2M views

Out of time Seo In Guk • 816K views

너랑은 뭐든 Seo In Guk • 632K views

Love U Seo In Guk • 207K views

Star Seo In Guk & Jung So-min • 1.4M views

Finding Myself Seo In Guk • 2.9M views

I Can't Live Because Of You (feat. Verbal Jint) Seo In Guk • 946K views

Bright Korean Ballad Playlist • YouTube Music

Sweet Korean Love Songs Playlist • YouTube Music

K-Soundtrack Hits 2024 Playlist • YouTube Music

Beautiful Korean Duet Playlist • YouTube Music

Stylish & Upbeat Korean Ballad Playlist • YouTube Music

Love Songs for Confession Playlist • YouTube Music

K-Drama Hits Playlist • YouTube Music

Legendary Korean Music Remake Playlist • YouTube Music

Christmas Theme Korean Music Playlist • YouTube Music

Spring Korean Music Playlist • YouTube Music

[ M/V ] Playlist • Seo In Guk • 152K views

노래부르기 [ SINGING SONG ] Playlist • Seo In Guk • 27K views

2am 887K monthly audience

K.Will 50.4K subscribers

FTISLAND 2.12M monthly audience

YANG YO SEOP 17.5K subscribers

KYUHYUN 2.08M monthly audience

KIM JAE HWAN 712K monthly audience

Lee Seung Gi 2.46M monthly audience

Lee Hong Gi 2.58M monthly audience

Sandeul 12.5K subscribers

Kim Tae Woo 6.18K subscribers