Okay, this time, I didn't put so much detailed description for each character because this is only based of vibe similiarity among each of them, in my opinion ofc 
So, let's check it out!

So, let's check it out!
6. Hui as Kang Ye Bin
- Idk, but they really look alike
- Smart, have so many idea, cuties, a sweet and lovable little sister
- Idk, but they really look alike

- Smart, have so many idea, cuties, a sweet and lovable little sister

8. Yeo One as Cha Se Ri
- Soft from outside but wild from inside
- Great at acting, which is lying to her parents
- Soft from outside but wild from inside
- Great at acting, which is lying to her parents

[End of thread]