Sora — http://www.pixiv.net/member.php?id=2740332

Honey! ~ Yumikuri Anthology~ by Fukutarou, Kou, Okeya, Shakeda Mamoshirou, and Sora Attack on Titan Doujin released Jan 28 '15 Christa x Ymir Comedy Yuri

Their First Time Attack on Titan Doujin released Aug 12 '15 Christa x Ymir Moderate amounts of sex NSFW Yuri