Katsute no Ansatsusha wa Raise de Chigau Ikikata o

Mira, once hailed as the strongest assassin, dies with bitter regrets at the hands of her rival—a young knight. However, when she reopens her eyes, she finds herself reincarnated a year later as the daughter of a noble family, bearing the same name...!?

Determined to keep her past identity a secret, Mira tries to live a quiet, unnoticed life. But over time, she becomes intrigued by a way of living that's the complete opposite of her previous one—protecting others. With a newfound resolve, she sets her sights on becoming a soldier.

A thrilling reincarnation tale of a rule-breaking assassin girl rewriting her destiny!

(Source: Kadokawa, translated)