The Good Student Went Wild — Episode 14

Hela, a gifted half-Muggle witch, was dumped by her social-climbing dad and bled dry by her uncle after her mom died. When jealous Lilith sends Caleb to seduce her and tank her grades, Hela plays along—faking ruin while secretly grinding in a hidden room. On N.E.W.T. day, her perfect score crushes Lilith, exposes her dad, and dumps the leeches.