she is beautiful

A girl named Kurumi, who was raised in an institution, looks forward to her 10th birthday, when her future path will be revealed. However, she wakes up to find herself 22 years old, living with Kiyoka, a former acquaintance with whom she had a strained relationship. Kurumi learns that on the day of her 10th birthday, she was in an accident that caused a condition erasing her memories daily. Twelve years have passed since the incident.