Consisting of 5 tracks, the teaser clip featured snippets of "Secret Garden", "Love O' clock", "Butterfly," "Sixteen", and "Magic". All the songs have a cheerful and dynamic sound.

SEE ALSO: Netizens have mixed reactions to EXO's Baekhyun holding his own birthday cafe events for 'profit'

Oh My Girl's 'Secret Garden' is set to release on January 9. What do you think of Oh My Girl's fantasy concept?