So I just tired this pose and it is really painful to twist right arm like that, yet she is comfy.
Yeah, I noticed it too late. But I figured since it is technically possible I'd leave here be. 😜
If she’s an idol, she probably had a lot of training to do poses like this.
At first it looks like a really easy pose. But the issue is that her right forearm is twisted behind her upper arm while the back of her hand is facing directly forward. Either one of those is easy to do, but not both at the same time. I rather doubt training or practice is enough to make that possible.