Tomoyo Daidouji is Sakura Kinotomo best friend. They attend the same school. Tomoyo also makes Sakura's battle costumes.
Tomoyo Daidouji a rich and werthly girl,the only one that knows about the mystrious cards is sakuras best friend. she makes sakura's battle costumes and also films it, she is a girl with long black hair,sakura tells her all her worries and asks her for advice.she never talks about her father, she lives with her mother which was sakuras mother best friend when in high school.