- Voice Actor (CV)
- Aoi Yuuki
- Gender
- Female
- Birthday
- December 24
- Role
- Protagonist
- Identity
- Member of the Seven Deadly Sins bearing the Serpent's Sin of Envy, a Giant-race earth guardian and beloved mascot of the Boar Hat tavern
Personality
Innocent and pure-hearted
Prone to jealousy
Peace-loving nature
Courageous and resolute
Among the legendary Seven Deadly Sins, Diane stands as the embodiment of the Serpent's Sin of Envy. As a member of the Giant race, she wields extraordinary power over the earth itself — capable of reshaping terrain and summoning the ground's force at will. Despite her towering stature, she harbors a deeply tender and romantic heart. Throughout her journey, she painstakingly reclaims lost memories, evolving from an easily envious girl into a fierce protector of her companions. Her story culminates in a heartfelt union with the Fairy King King, as she rises to lead and safeguard her people.