Departure of DoHun, ChaeRim, YoonSun, and YeSeul

On August 4, 2021, 4X4 STUDIO announced that DoHun of HRM, along with YoonSun, ChaeRim, and YeSeul of 4TEN would be leaving 4X4 STUDIO.

Announcement
As part of an Instagram post made by the official Instagram account of 4X4 STUDIO, the following announcement was made, first in Korean and then translated underneath in English.

The announcement was also made as a YouTube community post on their official YouTube channel.

The four members stopped their activities with 4X4 STUDIO and have not been involved in any further productions.

Reactions
Fans of 4X4 STUDIO and of the specific members were saddened by the news, with fans expressing their sadness as YouTube comments and as comments on Instagram.