Yuki Kashiwagi hits 30, releases sexiest photo book yet

How old is too old? When you’re an “idol,” especially in the music industry, the expectation is that you must be young — mid-twenties at most.

In a sign that makes us feel, well, old, the early members of AKB48 are now pushing three-oh, if not beyond, but are still determined to milk their fandom.

Today marks Yuki Kashiwagi’s thirtieth birthday and has released a photo book, “Experience,” to celebrate. It’s her first photo book in nine years.

But she’s no longer the sweet and innocent young girl of those previous releases; she’s now an experienced woman with a body that she wants to show off.

In preview shots, she has pulled up her top to reveal her bust or is holding her hand over her breast (the classic tebura “hand bra”) in a provocative pose.

Yuki started on this path a few months ago with an alluring lingerie shoot for a magazine. As she enters her thirties, could she be tempted to take things further? Perhaps even a nude or semi-nude shoot?

That could almost surely only happen if she actually left AKB48. Incredibly, Yukirin is yet to graduate the supergroup, which she joined in 2007.