Cold Rain
Ohene
Too Serious
Coochie Money
Too Fast Too Serious
ARE U SERIOUS?
I'm So Serious
อยากแค่สบายใจ(Nothing Serious)
심각해 (It’s serious)
WHY SO SERIOUS
우연히, 사랑 (Accidental Love)
Half & Half(《宝拉！黛宝拉》韩剧插曲)
이기는 연애 (The one who wins)(《宝拉！黛宝拉》韩剧插曲)
Love Is A Serious Mental Illness
Battle Horns
WARNING
다 잊었더라
This Time(Serious Symptoms, Simple Solutions)
Nothing Too Serious
Serious 2020