The girl with the boyfriend is Reina Nakatami/ Asami Yuki.
The host girl/cameragirl that picks up the girls is Sakura Tsukishima/ Kaori Misaki.
Their second name is the one for uncensored releases.
The specific Jav code for that video is HNU-028.
Was there ever anything found from this blond from Party Hardcore Holiday Bonus Part 1?
I remember looking into her many years ago, but couldn't find anything.