Kihyun, the main vocalist of MONSTA X, is making his return to solo activities after approximately 3 years and 9 months. Kihyun will release his second solo mini album 'Borderline' on July 7, 2024, following his first mini album 'YOUTH' released in October 2022. Since his debut as MONSTA X's main vocalist in 2015, Kihyun has been actively engaging with audiences through various performances, including the 'Seoul Park Music Festival.' He is currently participating in MONSTA X's world tour 'MONSTA X World Tour 2026 [The X : Nexus].'