Here are the videos in question. It's hard to tell from the grainy stream, but after seeing this in high-res, it seems (to me, at least), that it's Miyabi there.
NEW: Download the High-res videos here: Sharebee link
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Original article:
There is never a clear shot of her face, but there is definitely a resemblance. The rumored "boyfriend" is Hey! Say! JUMP member Inoo Kei, but this is just inferred from these pictures & the video, so it's really anyone's guess.
There has been no official comment on this.
(click to enlarge)
(click to enlarge)
The jacket seen in the above images appears to be the same jacket seen in this Buono promo picture:
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