Diane

Diane (often nicknamed The Serpent's Sin of Envy) is one of the main heroines of the manga, The Seven Deadly Sins, and its resulted anime series. A sweet gargantuan girl, and a member of the Giant Clan, Diane becomes one of the official members of the Seven Deadly Sins' faction, led by Meliodas, and fights to defend her friends and allies from forces which marshal against them. She also appears in the Worst Hero and Villain War Ever tournament, where she is seperated from Meliodas and his friends and joined Odysseus and his crew in hopes of returning back to her faction.