This had me stumped until I noticed it was posted as a (self-) reply to another image. With the implication that G-Spring Goddess is reading said Ishiyumi tweet. So, kinda leaning on the fourth wall.
Edit: Oh look, turns out it's part of another series!
Updated
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Magical Tablet
There was a zeroth prototype unit—!?
When did it appear?Get your facts straight before you come back.
Oh, for Goddesses' sake, can't I get some of them wistful-sentimental lines too? Curses!
Damned youth...
Don't we do that all the time?
...What's your opinion on the "GP00 Blossom" then?