For his upcoming comeback, Yoseob will release his 1st full album titled 'Chocolate Box'. In this teaser, Yoseob is seen checking his heartrate before getting ready to take on a mysterious task. Based on the previous teaser images, Yoseob will be perfecting both chic and innocent concepts for this comeback.
In related news, Yoseob's upcoming album has also garnered attention for its random dispersal of 105 photo cards.
'Chocolate Box' is set for release on September 20 KST.