Oh now this is just precious.

Puttin' on the Ritz! I'd like to send a thank-you message to Terajin.

Imagine the scene from Young Frankenstein but rather than a strained mumble, imagine Yoshika shouting like a japanese preschooler, "Puttin on da Ritz!".

UncleHester said:
Imagine the scene from Young Frankenstein . . .

That seems to have been the intention, as that scene is linked-to in the Pixiv commentary . . .

UncleHester said:
. . . but rather than a strained mumble, imagine Yoshika shouting like a japanese preschooler, "Puttin on da Ritz!".

. . . and that mental image is just adorable.

Terajin's pictures (at least the ones with quotes in them) are music references. This one is appears to be no exception:
http://youtu.be/OG3PnQ3tgzY