ASTRO member Cha Eunwoo‘s younger brother has become a hot topic after his first TV appearance. ASTRO’s Cha Eunwoo | @eunwo.o_c/Instagram Eunwoo’s brother briefly appeared on tvN‘s popular variety show, You Quiz On The Block, during a short segment in its recent episode. However, he was not featured as a guest. Rather, her was spotted in the back…
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