SEE ALSO: All 9 members of DIA say 'Good Night' before Yebin and Somyi leave for 'The Unit'

The girls traveled to Tokyo last month to carry out all kinds of items on their 'YOLO List', from shopping and visiting well-known food spots to touring famous places and more. They'll also be holding surprise busking events in Tokyo to let their music be known in Japan. 

'DIA's YOLO Trip', which will consist of 4-episodes, begins April 9 at midnight KST!