B-DAY (Feat. Kisum) ko
Blue Voyage ko
Buddy ko
Dream (꿈) ko
Eclipse (해가뜨는밤) ko
Enough (충분히) ko
Farther and Farther ko
Feel So Good ko
Flare ko
Flowering (개화) ko
Fly High (날아올라) ko
Hero (히어로) ko
Hug (놓지 않을게) ko
I Don’t Wanna Heart You (서툴러서) ko
I Got U ko
Irrelevant Answer (동문서답) ko
Jogging (조깅) ko
Light UP ko
Love Me Love You (With Lee Suhyun) ko
Missing Call (Feat. Suran) ko
One by One ko
Police Class ko
Rolling Rolling (떼굴떼굴) ko
Run Away (항상 엔진을 켜둘께) ko
Run To You ko
Sequel (결국 아무것도 알 수 없었지만) ko
Snooze (선잠) ko
Stove (난로) ko
Straight Line ko
Swing (Feat. Park Kyung) ko
Watermelon (수박깨러가) ko
Wonder (봄인지 여름인지) ko