Aldea is an antagonist from the non-yuri series Hybrid x Heart Magias Academy Ataraxia. The member of the Sixth Invasion Division of the Vatlantis Empire. Aldia is often seen to be very cheerful and jolly personality, and often seen spoken with anyone-allies and enemies alike-like a high-classed lady. Behind her seemly jolly and friendly demeanor however masks her arrogant and haughty demeanor as she looks down towards anyone, especially human who seemed to be "weak" when they are no match against the Vatlantis.
- Aldia is also loyal to her friend and partner Gravel.
- She's showing to be close to Gravel while they were celebrating for Gravel the empire's general as she is willing to assist her.
- The scar on her chest is given to her by Gravel which she treasures a lot.
- At episode 7, she had a passionate lovemaking with the general Gravel after she gets drunk, illuminating her intimate love for her even if she teases her sometimes.