Nanase Ohkawa is a member of the all-female manga-creating team CLAMP. She is the director of the team and is primarily responsible for writing the stories and scripts for CLAMP's various works.
Ohkawa at Anime Expo 2006
Clamp is an all-female Japanese manga artist group, consisting of leader and writer Nanase Ohkawa, and three artists whose roles shift for each series: Mokona, Tsubaki Nekoi, and Satsuki Igarashi.
Clamp at Anime Expo 2006. From left to right: Satsuki Igarashi, Nanase Ohkawa, Tsubaki Nekoi, and Mokona.
Clamp's cross-referencing and storytelling led to characters being re-used in different ways. Left: Syaoran Li, originally from Cardcaptor Sakura. Centre: Syaoran as he first appears in later work Tsubasa: Reservoir Chronicle. Right: an alternative Syaoran who appears later in Tsubasa.
A group cosplaying three Clamp characters: Sakura (top left) and Syaoran (top right) from Tsubasa: Reservoir Chronicle; and Yuko Ichihara (bottom) from xxxHolic.