HeeJin Of ARTMS Is Preparing For Her Solo “Algorithm” Debut.

HeeJin revealed a brand-new concept image for her solo introduction.

In anticipation of her solo debut, HeeJin thrilled her fans with a new concept shot on October 29 at midnight KST. As previously stated, HeeJin, who was once of LOONA but is currently promoting with ARTMS, will make her solo debut on October 31st with the release of her next album, “K.”