It appears that Nagekiaki, or someone using one of Nagekiaki's pictures, posted some sort of story challenge on Futaba, consisting of this picture, with the gray area blank. Thus the next 15 posts or so will be various authors' contributions...
"Yu~yuyu, yu~"
"Hey, Mister, how about a little one?"
"Huh? You're selling them?"
"That's right! Firm and plump, fresh off the stalk! They're available in City-sect and Sage, too! Regularly 100 yen, now on sale for 50 yen--it's a steal!"
"Hmmm, well, I guess I could have one... You're strange, all right. Here, 50 yen."
"Yuyu-! Thanks! Mister can really take it easy!"
"Well, here goes."
Om nom.
"YUGYAAAAAAAA!"
"Mm, thanks for the snack."
"WHYYYY did Mister eat little one!? Didn't Mister say he would make her a pet yukkuriiii!?"
"Huh? That didn't sound like anything but a greengrocer's sales pitch!"
--BEGGAR YUKKURIS IN THE SHOPPING PLAZA--
Translated loosely to preserve the ambiguity of the dialogue. The original relies on the fact that in Japanese, "buy" and "keep as a pet" are homophones."