Background

Rosaline Amanatha Abadeer is the only child of Hunson Abadeer and a human woman named Maddie. Maddie was born into a secret demonic cult that summoned Abadeer for Maddie to have a half-demon child as part of a ritual. While the cult was successful, they would be arrested shortly after Rosaline’s birth. Not wanting Rosaline to be taken by the authorities, Maddie hid Rosaline just enough for the authorities not to find her as well as opening a portal to the Nightosphere.

From there, Hunson’s minions found Rosaline abandoned and brought her to their master, who began to raise Rosaline. Rosaline grew up in the Nightosphere where she was spoiled by in her father. In addition, he often arranged playdates between her and her cousin Emma, who was the same age. Being spoiled along with Rosaline hanging out with her bratty and spoiled gave Rosaline a very bratty and spoiled mentality herself.

Aside from being spoiled, Rosaline was constantly compared to her older Marsha from how she was with animals to her studies. As time went on, Rosaline began to resent her older sister despite not having ever meeting her.

Despite how spoiled she was, she wasn’t completely happy. A part of her craved love and attention from her father which she never got. This resulted in her constantly acting out while in the Nightosphere. Because bad attention was still better than no attention at all. Sometime when she was 8, a rival of Hunson Abadeer had planted a spy within Hunson's mansion staff to target Rosaline. The spy was successful, stealing Rosaline's soul in the process. So much like Marsha before her, Hunson used a soul recreation spell on Rosaline, which made her acting out even worse.

Over 100 years ago, Hunson finally had enough. Tired of dealing with Rosa, he ended up dumping Rosa onto Sarah, who was now living with Marsha in Ooo at this point. Despite a rough start, Rosaline began to warm up to her siblings. Ever since then, Rosa has been living with her siblings. She has especially taken a liking to Marsha after she was finally able to get to know her.