Mahiru is a shy and timid girl who struggles to express herself
Mahiru is defenseless and often bullied
Mahiru is antisocial, due to having a hard time socializing
Mahiru keeps to herself and tries not to get involved with others
When the sun sets Mahiru's alternate personality, Shinya, appears
Shinya is violent, crude, a bully, has no education and has no sense of shame or remorse
Shinya is disrespectful and uses words and gestures that are provocative
Shinya often mimes actions such as smoking