In a surprising announcement on December 11, 2023, popular Japanese rock band KANA-BOON revealed that drummer Takahiro Koizumi and guitarist Hayato Koga are leaving the band. Koizumi acknowledged reported incidents, expressed regret, and decided to depart. Koga, facing personal misconduct allegations, also expressed a desire to leave. Consequently, both members' contracts with management were terminated.

As a result, KANA-BOON will suspend all activities, including live performances and events, for the rest of the year. Specific affected events include the "47 SKIP STREET" tour and participation in "FM802 ROCK FESTIVAL RADIO CRAZY 2023" and "COUNTDOWN JAPAN 23/24." The management assures discussions for rescheduled performances and ticket refunds for tour dates.

The announcement concludes with sincere apologies for any inconvenience caused to fans and event attendees. The band aims to engage in ongoing discussions to align future activities with fan expectations and promises updates on their plans in the coming months. KANA-BOON's future remains uncertain as fans eagerly await further developments and the band's eventual return to the music scene.