A prim and proper young lady Fencer who at times tends to border on domineering. She seems to enjoy verbal abuse and often forgets herself when she gets going. She has a strong desire to revive the Goddess that seems to have something to do with her past, which is something she almost never talks about. She can enter The Beyond, the place where the Goddess and Vile God are sealed away.
The little animal that barks "cui, cui!" is Tiara's Fairy partner. Although it is unable to converse with humans, Tiara seems to be able to understand it. On top of that, it's also able to converse with other animal-type Fairies. Normally upstanding, Cui sometimes like to pull mischievous pranks.