In a touching yet heartbreaking letter penned by VIVIZ SinB to the late ASTRO Moonbin, she revealed her regret and promise to him.

VIVIZ SinB Reveals True Feelings in Letter After Best Friend Moonbin's Passing

Following Moonbin's passing on the 19th, SinB wasn't able to attend his funeral on the 22nd due to a scheduled activity abroad. But due to poor conditions amid mourning, Big Planet Made announced that the trio will take a temporary break to regain their health.

READ MORE: VIVIZ SinB Worries People After Clip Showing Poor Health

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Written by Eunice Dawson.