[Update: I really ought to finish watching all of the DVDs I already own, namely トランプ. I knew I’d seen her hair like that before… (this concert also includes an energetic and lightly-clad performance by Mai Satoda and Ayaka)]
Original, extremely girly version of the song here. Even in this one, Boss Siatou’s curves makes her stand out like, well, the only grownup in a room full of 15-year-olds.
I’ve seen her do the song in concert in the original style, but I hadn’t known about this:
(the bit of Engrish around 0:45 is “cherry boy”)