KyoungSeo - Asteroid

KyoungSeo - No Return

KyoungSeo - Wonder Why

KyoungSeo - Everyday With You

KyoungSeo - He-R

KyoungSeo - This Christmas

KyoungSeo - I Loneliness, You Longing (From -Vocal Play- Campus Music Olympiad Round of 16, Pt. 1-)
Sanghyun Nah - Spread Silk On My Heart (From -Vocal Play- Campus Music Olympiad Round of 16, Pt. 1-)

KyoungSeo - 運命線で抱きしめて

KyoungSeo - Runnig Across time

KyoungSeo - Escape Velocity
KyoungSeo - What's Up
KyoungSeo - They say, that is the love
KyoungSeo - Threshold
KyoungSeo - Cherry Pink

KyoungSeo - Cocktail Love

KyoungSeo - Cherry Pink

KyoungSeo - flutter

KyoungSeo - Again Spring
KyoungSeo - 120BPM
KyoungSeo - wonder
KyoungSeo - Ongoing

KyoungSeo - Dream about You

KyoungSeo - Christmas Time

KyoungSeo - ANYWHERE (Feat. Huh)

KyoungSeo - Maybe if

KyoungSeo - Dear my X

KyoungSeo - CHECKLIST

KyoungSeo - My Everything

Kim Young Heum - Family Portrait (From -Vocal Play- Campus Music Olympiad Semi Final-)
KyoungSeo - Blue Whale (From -Vocal Play- Campus Music Olympiad Semi Final-)

KyoungSeo - Shiny Star(2020)

KyoungSeo - Disc1 - Shiny Star