Alaina Casta of the Tribe of Tipperary is a teacher at the Longlann Elementary School of Cuan, teaching Mathematics, Sciences and History there. Although employed mainly at the Longlann, she also sometimes teaches at other schools in Cuan if a teacher is absent, among them at the Póraitheoir High School.
From 2009 to 2015, she studied her later subjects as well as Didactics at the University of Fortham, her practical lessons taking place at the Iris Boarding School Complex. There, she got into contact with the Iris Boarding School Complex Sensha-Do Team and their sport, becoming a bit of a fan.
In 2016, after graduating, she returned to Cuan to teach at the Longlann Elementary School.