Low.

You seem to have made an error with your poll. There should be a "No Twintails" option.

>>4626
No twintails, no life.

Hmmm... I think I have to go with low. They're both really good, but high twintails are really reserved for a specific type of character age/personality whereas low can adapt to the character. Low twintails can be worn from the excitable little sister archetype to even a mature, reserved type. Very versatile.
This is something I first noticed in a game where you can change hairstyles, I think it might have been Artificial Girl 3 or maybe Dragon Quest 9. You just can't have high twintails on most characters without it heavily clashing.

High twin tails that reach all the way down to the floor.

Love this pretty much

High is cute but low is waifu.

i like it when twintails go over the shoulders so i'm gonna go with low

High!