[All] Did you know that Cha Eunwoo has a younger brother?

I thought the photo on the left was of Cha Eun-woo when he was young, but it turns out he's Cha Eun-woo's younger brother. I heard he's currently attending university in China. I heard it was already spread all over YouTube, Twitter, and all kinds of communities a long time ago.

It's exactly the same as Cha Eunwoo