Crystel, is a second-year high school student, she studies at the public Academy: Kagayakuyoru. She suffers from a visual degenerative disease called retinitis pigmentosa. Crystel, finds herself blind and losing more and more vision day by day, but she doesn't let it bring her down. She is a gentle, strong and independent girl. She usually touch children's books in braille in the kindergarten at school, to help her mother, who is a teacher. She has a boyfriend nicknamed Mr. Shadow