Ruri Akutsu

Ruri Akutsu is Akuru Akutsu's little sister. Ruri is a hardworking elementary school student who devotes her time to studying and she is determined to become smart and dependable. Despite this, she utterly fails at nearly everything she does, which prompts Yoshiko Hanabatake to see her as a fellow "idiot". Much like Akuru Akutsu (Ruri's older brother), Ruri dislikes Yoshiko and she is mortified at the idea of becoming just like her. Unlike Yoshiko, Ruri has a good amount of common sense, though sometimes her childishness will come out at points. in the dino subject series when she's there she has natural abilities that she can communicate to dinosaurs and she's doing the right thing to save the dinosaurs from dying and Extinction. and she has a best friend is Huggie Utahraptors this subject is friendly.