Akdangui Nunaneun Oneuldo Gotongbatgo

Lydia thought she'd finally get to live a life of luxury after being reborn as a noble in a magical world. Little did she know, she's actually a side character in a novel doomed to die at the hands of Ash, the merciless, psychopathic villain. Her best shot at escaping is to have the heroine distract him while she tries to run away. But the only problem is... the heroine keeps dying! With a limited number of magic tricks up her sleeve and her quick wit, will Lydia ever make her great escape?

(Source: Tapas)