Zennia and Auria : Reincarnator And Duke's Daughter Fantasy Romance Story

Zennia Bvance fell unconscious while at her mana measurement.
after waking up, strange memories flooded her head, making her remember her past life.
afraid of change... she decides not to let anyone, including her family, know about her memories.
but because those two memories came from different lives which then collide and combine with each other, the personality of Zennia Bvance inevitably changes.
her way of act, her way of think, her sense of justice change into the combination of those two lives.
this sudden change in her life lead Zennia to an internal struggle where she unable clearly identify herself. and an external struggle to interact with her family like she used to.
but one day a girl comes along with her father to visit the Bvance household.
her name is Auria Auriga. she is the duke's Daughter.
at first, zennia doesn't feel anything to her. but when a chance both of them meet and know about each other. inside Zennia's heart, a feeling starts slowly blooming without her realizing it.
is it just a merely normal sense of friendship? or is it more than that?