2AM's Seulong kicks off his solo promotion by releasing the teaser video for 'Mood Swing'.

Deemed in black and white color, the video presents Seulong in a more tough and rough look as he was walking on the street while singing along to the snippet of the song.

'Mood Swing' is the title track of Seulong's upcoming solo digital single album 'Normal'. As it was previousle revealed, the single directly participated in the composing and writing of all the tracks of the album, showcasing his potential as a singer - songwriter.

The MV for 'Mood Swing' will be released on May 19th at midnight.