현서/Halsoon

오글 (Feat. HYUN SEO)

너에게 (Feat. HYUN SEO)

ROADSTARS (prod. Franken)

Bonus-1 - Story

No (feat. Halsoon)

Hyun Seo/Halsoon

하나둘씩 (Art. HYUN SEO)

Anonymous Artists/Halsoon/ryu

No (feat. Halsoon)

Hyun Seo/Halsoon

Our Ending (feat. HYUN SEO)

별이 빛나는 밤에

Halsoon/Taeyong Kim/Kyungcheol Kim

내 플레이리스트는 온통 너였다 (Song By Halsoon, HYUN SEO) (Prod. Franken)

Kozy Pop/Halsoon/Hyun Seo

우리가 예뻤던 때(시니시니)

현서/Halsoon

ㄴㄴ-cover

오글 (Feat. HYUN SEO)-cover

오글 (Feat. HYUN SEO)

너에게 (Feat. HYUN SEO)-cover

너에게 (Feat. HYUN SEO)

Rain-cover

Rain-cover

ROADSTARS (prod. Franken)-cover

ROADSTARS (prod. Franken)

Bonus-1 - Story-cover

Bonus-1 - Story

HATE YOU-cover

Sing this song-cover

No (feat. Halsoon)-cover

No (feat. Halsoon)

Hyun Seo/Halsoon

Cold-cover

하나둘씩 (Art. HYUN SEO)-cover

하나둘씩 (Art. HYUN SEO)

Anonymous Artists/Halsoon/ryu

Rain-cover

No (feat. Halsoon)-cover

No (feat. Halsoon)

Hyun Seo/Halsoon

SOON-cover

Our Ending (feat. HYUN SEO)-cover

Our Ending (feat. HYUN SEO)

Blurred-cover

별이 빛나는 밤에-cover

별이 빛나는 밤에

Halsoon/Taeyong Kim/Kyungcheol Kim

내 플레이리스트는 온통 너였다 (Song By Halsoon, HYUN SEO) (Prod. Franken)-cover

내 플레이리스트는 온통 너였다 (Song By Halsoon, HYUN SEO) (Prod. Franken)

Kozy Pop/Halsoon/Hyun Seo

우리가 예뻤던 때(시니시니)-cover

우리가 예뻤던 때(시니시니)