Tasukete Watashi wa Korosareru

Asuka lives happily with her father, stepmother and stepbrother. But when she is 15, they got into a car accident and the father dies, burned to death before the eyes of Asuka. Asuka is now 17 and is using a wheelchair, she is also persuaded that her stepmother plans to kill her! She confides and calls for help to Satoko, a college student and her new tutor for summer vacation.