Height: 160cm
Weight: Equal to 19 Super Deluxe Illustration Books (Limited Edition!)
Birthday: November 3rd
Blood type: B
Hobbies: Everything fictional (including games, movies, etc.), anime songs, cosplaying, crafting things with silver
Things she likes: Being other people's "cosplay producer"
Things she dislikes: People who jump to the conclusion that bad things happen because of manga or anime without actually giving it a thought
Foods she likes: Honey toast served at a certain karaoke place
Foods she dislikes: Alcohol
Favorite saying: "You're never really done for, as long as you've got a good story and someone to tell it to." - "The Legend of 1900"

Erika is a very passionate otaku and manga reader. She and Walker are usually together. She is equally enthusiastic about manga or novel inspired torture. It is noted she is a "fujoshi" or a yaoi fan.

Like Izaya, she calls Kadota "Dotachin".

She is a member of the anonymous online gang Dollars. She was also a member of Kadota's gang.