Mahiru/Shinya Banba

Mahiru Banba is one of the main characters of the manga and anime series Akuma no Riddle. She has a split personality named Shinya Banba who is said to be her twin, according to author Kouga Yun. The two of them are like two souls within the same body. While they can communicate internally, they are never seen simultaneously expressed externally. She was one of the participants in the 10th year's Black Class at Myojo Academy. Like the others, she was trying to kill Haru Ichinose to achieve her goal. Her wish was for a gifted strap from Haru to become a relic, or heirloom, which required Haru's death. Mahiru and Shinya both share similar appearances save for small differences. She has long white hair tied in a ponytail, with bangs framing her face. Her skin is fair and noted to be susceptible to damage from the sun. She wears a sailor-style school uniform consisting of a white shirt with a red collar and red cuffs with short sleeves. It also has a black necktie and black skirt. She wears a black stocking on one leg and a white sock on the other to symbolize her alternate personalities. She has a scar over her left eye from when she killed her captor. The pupils in her eyes change to appear more frenzied when Shinya is in control. Her body, while able to lift a heavy hammer, is said to be fragile, and unable to sustain strenuous activity continuously. She displays symptoms of dissociative identity disorder, where she has two different personalities. As Mahiru, she is a shy and timid girl who often has trouble speaking for herself. She is easily subject to bullying, and is often defenseless. Sometimes, she seems quirky, creating imaginary objects with her hands. She is fixated on the idea of relics, which requires the death of the giver. However, Mahiru herself does not seem able to kill. When the sun sets, Mahiru's alternate personality, Shin'ya Banba, appears. Shin'ya is the complete opposite of Mahiru, and refers to herself (or even himself) as "ore", which is a masculine term. In contrast to her host personality, Shin'ya has an aggressive and borderline insane appearance cultivated to protect Mahiru. However, Shinya always keeps Mahiru's best interests at heart, including wishing for her to enjoy a normal life and killing others to satisfy her desires for relics. Shinya notably also uses imaginary gestures, particularly that of smoking.