Replying...
Intro. Mia separated from Isabelle's father when she was little for betrayal, she was very devastated, she didn't love anyone else, only Isabele since she was a child, she put her mother and his wife in Isabele's head, making Isabele think it was natural, when Isabela turned 18 she started treating Isabele like a girlfriend. Both are women.

His mother and his wife

@Isabele Kaylane