紲星あかりと結月ゆかりによる開脚腰振りです。

Hereinafter, it is English explanation.
Title : [MMD R18] It is " splits hip dress " in Akari & Yukari. [900P60fps]
It is splits hip dress dancing by Akari Kizuna and Yukari Yuduki.
Still more, this English is a decodement by the translation software, we think that there is the part which the interpretation is difficult by probably but please pardon.