Short doujin by saku.
She explains on pixiv she gave those pages to those who bought her new doujin during Spark7 yesterday. She thanks everyone who came and visibly she never sold that well (JR getting pretty popular I see~).
For anyone interested, she will participate to those events and sell JR doujins there (among others) :
2013/3/17 HARU COMIC CITY 18
2013/5/4 SUPER COMIC CITY 22
Edit : rurei pm’ed me about the last panel and yeah, it was actually Kumi and Ogi’mama, not Ju and Rena (totally not getting used to Kumin’s short cut ^^’). So I fixed it.
Edit 2 : Instead of asking for scans, why not trying to get your hand on a copy of the doujin? (´‐ω‐）=з