PACKAGE (Each version includes)
– CD BOX : 147 x 147 x 21mm
– Photobook : 72p
– Renticular Lyrics Book : 8p
– Photo Postcard
– Photocard (Random 1 out of 4)
– Selfie Photocard (Random 1 out of 4)
– Poster (First Press Only)

TRACK LIST
1. 뚜두뚜두 (DDU-DU DDU-DU)
2. Forever Young
3. Really
4. See U Later