Oscarythm (my first finished novel) The Illustration

First time i made this novel when I was in senior high school..

Its a simple teenagers story. Oscaria, she is lovely girl and she has childhood memory about a boy who can drawing and bring a little turtle and a tree branch. Since that moment, she always want to have a big brother to protect her because she is the older child in her family. So when she become a student of 10th grade high school, she meet three boys.
They are... Rendi, He is university student, game addicted and a rich boy. Ricks, He is 12th grade high school student anime lover, painter, sporty and cheerful. And Zen, He is also 12th grade high school student who loves cooking very much, gorgeous, cool but he is not from rich family.
Since meet them, she become closer to them, and both of them assume her as their little sister. But Oscki confused, who is someone she love more not only as her brother but also as her "love".