MONSTA X, the boys group born from the Korean survival program "NO. MERCY" in 2015, make their comeback with their latest EP. [Package details] 173 x 129 x 8mm [Included bonuses] a print photocard set (170 x 126mm / 15 kinds), a photocard (62 x 88mm / one randomly selected from five kinds), and a folded lyric poster (250 x 340mm).