Is there any more of this?

A lot more. This is 78 out of 138. The rest is at aotan nishimoto's pixiv account(http://www.pixiv.net/member_illust.php?id=218804). You need a pixiv account to view the rest.

I'd also like to tell you how much I appreciate you translating these. This is really great stuff.

found the rest http://www.geocities.co.jp/Playtown-Toys/4019/cg.htm

Fixed that "Joo!" thing. The hiragana says "ja" ffs...