On February 1, 2026, MONSTA X held a public head-shaving ceremony for their youngest member, I.M, during the Seoul leg of their 'THE X : NEXUS' world tour at the KSPO DOME in Seoul. This event marked I.M's final performance before his scheduled military enlistment on February 9. During the concert, I.M shaved his head on stage, symbolizing his preparation for military service and creating a deeply emotional moment for fans. This public head-shaving ceremony is unprecedented in idol history, reflecting I.M's desire to share this significant moment with his fans. The three-day Seoul concert series, which began on January 30, 2026, marked MONSTA X's first solo world tour in nearly four years. The group successfully concluded the tour with all six members present, strengthening their bond with fans and leaving a lasting impression. Fans expressed their support and well-wishes for I.M's upcoming military service, eagerly awaiting his return to the group.