Is it normal for the soles of my feet to hurt...?
Does the supporting leg bend slightly? Is the knee kept straight?
Do I need to do one set with both sides?!
Why does my back hurt?ㅠㅠ
Why is this here in the introduction..??
I almost split my legs.
Do you know why tailbone pain occurs, teacher??
Hip-up direct hit, good~
The stimulation comes so well.