Siri has an unknown ulimate and is the actress Chika forced to be Dispeariss when she couldn't be. Siri is apart of an international exchange program and is from Denmark, her first language is Danish. Siri was the only survivor of her class when the school lock-down massacre happened, Chika took her and forced her to pretened to be Dispeariss, if she broke character even once, she would be killed. If Siri were too successfully get all of class 2-B to murder eachother, then she would be able to go home to her family to Denmark, if not she would get publicly executed. From what we have seen from Siri, she used to be a nice, kind girl, now filled with anxitey and self-doubt. Her eye was shot out by Kiyoshi, and she is a christian.

for this role you must know some Danish, as she will have some Danish speaking lines