On September 14 KST, ASTRO member Sanha celebrated the 4th anniversary of his unit, MOONBIN & SANHA. 

The idol dedicated some words to the late ASTRO member Moonbin via his Instagram story, writing,

"Hyung, it's our 4th anniversary. So many fans are congratulating us, do you see it? Aren't you grateful? Watching us dance together for the first time in a while makes me want to dance with you again. It still feels like I need to go on stage. Oh, and today, I'm having my first solo fan-con in Japan, so watch over me and see if I do well. I miss you a lot. Congratulations~ Let's spend a happy day."

Meanwhile, the ASTRO unit MOONBIN & SANHA debuted on September 14, 2020 with the release of their 1st mini album, 'In-Out'.

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