Miss Little Gray

Vivietta, the daughter of a prestigious noble family, suddenly recalls memories of her previous life. In her past life, she was led astray by her handsome childhood friend and died, so this time she vows to stay out of trouble and live a safe, long life. But even as she struggles to live life as a proper young lady, she can't help but be perplexed by the differences from her previous life…?

(Source: Shonen Jump Plus, translated)