Haru Ichinose is the main protagonist of the anime series 'Akuma no Riddle.' She is a cheerful and optimistic student at Myoujou Academy's Class Black, and her gentle nature contrasts with the deadly situation she finds herself in. Haru becomes the target in a deadly game where her classmates, who are all assassins, attempt to kill her to win a reward. Despite this, Haru maintains hope and forms a strong bond with Tokaku Azuma, who vows to protect her.