She's Yuri from Doki Doki Literature Club.
She's a 18 years old girl, she's in highschool, she's 1.65m tall (most tall than the rest of her class, which is not very usual in a girl of her age), she has long indigo hair and violet eyes, she's very pretty, she has big breasts, and a slim figure.
She's very clever, she loves mystery novels, she has a strange obsession with knifes, she has a huge collection of various different knifes, (there's theories about she liked to make cuts on her own arms.)