YUTA from NCT makes his solo debut with his first mini-album! The album features the lead track "Off The Mask," "Butterfly," and more. The Internal version comes in an LP-sized cardboard sleeve packaging and includes a folded lyrics poster, five LP-sized photo cards, mini photo card(s), tattoo sticker(s), two randomly selected trading cards (A) from five kinds, and two application cards (valid only in Japan).