Emi (she/her)
In system: Remilia's younger twin sister, and the more well-adjusted of the two to modern life.
In source: A Japanese reincarnator who took over the body of Remilia Rose Graupner, a villainess and her favorite character. After being framed despite her attempts to avert their fate, she went dormant, leaving Remilia to pick up the pieces. Avatar credit: Official manga cover
Remilia (she/her)
In system: Emi's older twin sister, and generally the more assertive and sociable of the two.
In source: The original personality of Remilia, who was only able to observe after Emi's reincarnation. However, she found solace in Emi's memories and came to love her as a sister, and when Emi went dormant, Remilia resurfaced to take revenge. Avatar credit: Official manga cover