The Villainess and Miss Demon Lord

Transmigrated as the doomed villainess Aida Mortemer, Yao faces a peculiar challenge in a magical world. Enrolled in a magic academy without magical abilities, her plans to charm the main characters are slightly derailed when she encounters the demon lord's reincarnation. Desperate to survive and avoid her painful demise, Aida also befriends the formidable Miss Demon Lord, only to find her behavior increasingly...odd? Can Aida navigate this magical minefield and get these characters on her side?

(Source: Tapas)

Note: Includes 8 extra chapters.