The balladeer K.Will finally returns with his 5th mini album 'One Fine Day' along with the full MV for his title track 'Day 1' featuring the appearances of SISTAR Soyu and 'Roommate' Park Min Woo.

The track has a soft and warm melody which tells about a student (Park Min Woo) who seeks advice how to get the girl (Soyu) he likes. K.Will makes appearances as a radio DJ who is Minwoo's love adviser on the MV.

The light yet fun story and K.Will's beautiful voice with flawless high notes make the song awesome to listen to. Watch below: