What is the heroine's name?

Misaki Mei.

The heroine in the suspense mystery novel and the subsequent adaptation of the anime work The Other, whose original surname is "Fujioka".

When I was 4 years old, I had a malignant tumor in my left eye, and then my left eye was removed. Now the left eye is a "doll artificial eye" made by my mother. She usually wears an eye mask and can see things that normal people can't. (Anime story is a heterochromatic pupil hole, which was not mentioned in episode 0)

Synopsis: At the end of 20th century, Sakakibara Kouichi, a boy of 15 years old, came to Nightmare Mountain City, the hometown of another person who died, and stayed at his home in Reiko Mikami, menstruation, waiting to transfer to a new school. During this period, his old illness recurred and he was admitted to hospital for treatment. One night, Hengyi met a girl in the empty corridor who was wearing the uniform of the school he was about to enter. Her left eye wore an eye patch, which seemed to indicate the beginning of an extraordinary life. After recovering from illness, Hengyi successfully transferred to Class 3, Grade 3, and saw Shanbei Middle School at night. The students are warm and friendly, but there seems to be something hidden from him. Moreover, he once again saw the blindfolded girl-classmate Misaki Mei in the hospital. When he tried to get close to Misaki, he didn't know that he had inadvertently pulled the door of death.