Rikkaidai Fuzoku Middle School: Year 3, Class F, Number 19
Birthday (Sign): July 4th (Gemini)
Blood type: A
Techniques: Data Tennis, Kamaitachi, Utsusemi
Height: 181cm
Weight: 67kg
Committee: Student council secretary
Worst Subject: None
Often visited place in school: Library
Elementary School: Midorigawa Dai-ichi Elementary School > Kanagawa Dai-ni Elementary School
Uses allowance on: Books
Favorite Motto: "One thousand days' training to forge, ten thousand days' training to temper."
Favorite types of movies: Ozu Yasujirou films
Favorite type of books: Pure literature (especially Natsume Souseki's work)
Favorite type of music: Old Japanese court music
Favorite date spot: Literature house
Most wanted thing right now: Japanese literature outline
Daily Routine: Look over the morning and evening newspaper
Doesn't like/bad at doing: People who waste money and time
Special skill aside from tennis: Mental math, haiku, Go, Japanese chess, tea ceremony
Yanagi Renji is the data man and also a part of what Kirihara calls as "The Three Demons" (alongside Yukimura and Sanada) of Rikkai dai. Unlike his childhood friend and rival, Inui, Yanagi keeps all his data on his head. Yanagi is also known for his very strategic plans when playing tennis, and uses early military tactics and apply them on his games.