Eru Nakagami is a character in Cardfight!! Vanguard (V Series Anime). He says he wields a "unique power" known as the "Evil Eye", and that his right arm is "cursed", and leads the Paranormal Power Research Society, but assists the Student Council with their fight against the Miyaji Academy Cardfight Club. He is currently a third year at Miyaji Academy High School.
He wears the male uniform from Miyaji Academy. However, he wears his jacket loosely, as it hangs off of his shoulders. His "cursed arm" is bandaged up, and his spiky, swirly hair has a headband that is also made up of bandages. He has teal eyes, with his left eye also being bandaged up.
He was first revealed as a silhouette in the promotional trailer for the anime-exclusive arc of Cardfight!! Vanguard (V Series Anime).