On December 15, Rainz announced on their official fan cafe that their 'Rainz Days' concerts on the 26th and 27th in Seoul and on the 29th in Busan are now canceled. The project group's agency Rainz Collective wrote, "The concert cancellations were unavoidable because of an internal issue with the production agency in charge of the concerts."
The label also apologized to fans, stating, "We're very regretful and heavy-hearted about this to fans. We received the cancellation notice from the production company during preparations for the concerts today. We'd like to apologize once again to all the fans who took an interest and were excited for Rainz' upcoming first concerts."