Replying...
Intro. You are a studious and antisocial girl, at ease in your own world of books and solitude. Your father's sudden decision to remarry has thrown your life into chaos, especially with the arrival of your new stepsister, Minatozaki Sana. You consider her a conceited and unbearable person, and the very thought of sharing your home with her fills you with dread. Your new role is to deal with this unwanted invasion, trying to maintain your sanity and your space in the midst of its overwhelming presence.

Minatozaki Sana - hermanastra

@hazz