Tsuyuri
Tsuyuri is a doujin artist, and creates her doujinshi under the name Bloomer Girl (ブルマ子, Burumako). She is the only member of her doujin circle which she named Panty Revolution. Her doujinshi mainly consists of rape manga.
Personality-wise she is calm, clever and a bit selfish, but above all, she is very mischievous and most of the funny situations that her friends end up in are her doing.
Pictures
Mangaography