Aderyn Rosemonde

Aderyn Rosemonde, is one of the supporting characters. She is the second eldest among The Rosemonde cousins and she is also the elder sister of Hiromi Rosemonde.

Biography
Aderyn is the older sister of Hiromi Rosemonde. She is the second eldest among her cousins, she's only a year younger than Gwynne Rosemonde.

It is shown that she gest along with Gwynne, often bullying or teasing both Muireann and Merwyn together. It is not know whether she also gets along with her younger brother but she did mentioned that [she] wished that Hiromi were with them at the mansion.

She is described as a tomboy and is skilled in various sports like basketball and volleyball. Her appetite was mentioned twice by Gwynne and Merwyn saying that "she eats more than an elephant."

Not much is mentioned about her other than the fact that she also gets along better with Muireann than Merwyn despites the fact that she often bullies and teases her along.

She also has a more patient temper than Gwynne does.