03:15
DAY6 "I'm Serious(장난 아닌데)" M/V
I M Serious Day6 Mp3 & Mp4
03:15
![[LIVE] I'm Serious｜DAY6(데이식스) 3RD FANMEETING ‘I Need My Day’](https://i.ytimg.com/vi/sKYGOgUV-u0/mqdefault.jpg)
03:16
[LIVE] I'm Serious｜DAY6(데이식스) 3RD FANMEETING ‘I Need My Day’
03:14
DAY6 (데이식스) - I’m Serious (장난 아닌데) (Han|Rom|Eng) Color Coded Lyrics/한국어 가사
![[DAY6 - I'm Serious] Comeback Stage | M COUNTDOWN 170406 EP.518](https://i.ytimg.com/vi/h5xIEFOU0Fg/mqdefault.jpg)
03:23
[DAY6 - I'm Serious] Comeback Stage | M COUNTDOWN 170406 EP.518
03:14
Day6 - 장난 아닌데 I'm Serious (AUDIO)
20:52
DAY6 | 'I'm Serious', 'Letting Go' MV's 'Better Better', 'I'll Try' Live Clip REACTION
![Xdinary Heroes - “I’m Serious (by DAY6)” Band LIVE Concert [it's Live] K-POP live music show](https://i.ytimg.com/vi/FsLZEE23Th4/mqdefault.jpg)
04:53
Xdinary Heroes - “I’m Serious (by DAY6)” Band LIVE Concert [it's Live] K-POP live music show
11:36
DAY6 'I'm Serious (장난 아닌데)' MV & 'Say Wow' Lyric Video | REACTION!!
![[MEET&STAGE] Listening to 'I'm Serious' by DAY6, the guys who never disappoint](https://i.ytimg.com/vi/gPNCKzpNCqw/mqdefault.jpg)
04:01
[MEET&STAGE] Listening to 'I'm Serious' by DAY6, the guys who never disappoint
![[Super K-Pop] DAY6(데이식스) - 장난 아닌데 (I'm Serious)](https://i.ytimg.com/vi/Kch7Y01k01I/mqdefault.jpg)
03:17
[Super K-Pop] DAY6(데이식스) - 장난 아닌데 (I'm Serious)