GAM! will disband on December 31st.

Their last oneman, named "GACHIGAMI LAST CARNIVAL" (ガチガミラストカーニバル) will be held at Shinsaibashi FANJ twice (心斎橋FANJ twice) on December 28th.

The messages that the band has posted about their disbandment has been translated below.

Thank you for your support of GAM!
GAM! will be dissolved on December 31, 2021. We would like to apologize to all the fans and people who have supported us for this announcement.
We will be posting comments from each member on their Twitter feeds, so please stay tuned.
GAM! Kalmian Joker

Vocalist Takuma

At the end of this year, I'm ending GAM!
I'm not going to say too much about it.
But I can tell you one thing.
We couldn't lie to ourselves.
We couldn't keep going on and on and on.