Tenaka Chiasa

Shakku Rubin is one of the main Cures from Beautiful Sky Pretty Cure. Rubin is a cheerful and selfless young girl, who attends to Nijiiro Private Middle School. She sometimes is referenced as being the sportiest 14 year old girl. She is the oldest out of three sisters and is the bravest of them. Rubin has the power of red fire and transforms into Cure Phoenix (キュアフェニックス Kyua Fenikkusu).