I gathered together all of the cat girl pictures from his pixiv. It includes two doujin samples here.

The first one is some kind of cat girl ts:
https://www.pixiv.net/member_illust.php?mode=medium&illust_id=63944981

The second one is a sequel and a body swap with a two tailed cat.
サンクリ新刊】猫又ビギナー2日目 (Two tailed cat beginner day 2)
https://www.pixiv.net/member_illust.php?mode=medium&illust_id=67599530

Story: "If she doesn't injest her own semen/essence, then her soul will perish--a critical crisis!" (Author says you don't have to read the first part to enjoy it.)

I hope someone finds them, and here's a bounty if you can:

/bounty.php?bid=17771

Only few catgirls?
Internet?
Are you OK?
(The gallery... It is so tiny))))
I understand about one artists pics.

Base +11, oneiwonder +7, Tiger_Claw +6, Bloodrose754 +6

is this a sample?

Base +6

Base +10, just for for fun +5