Because she won't(〜 ̄△ ̄)〜. It's like every others reincarnation stories, when they want peace and get away from the toxic family/fiancé those "jerks" get interested in her (● ̄(エ) ̄●) ( but I must admit in some stories it's like a redemption arc so it's cool)
Why do i feel like she's not gonna be able to rest anyway? LOL.