Souhei is the main character of the song Invisible.<br /> <br /> Background as described in Light Novel:<br /> When he was younger, Souhei lost contact with his parents and went to go live with his Aunt- a woman that is not fit for taking care of children and dislikes Souhei, forcing him to pay rent to live in her apartment. He has a cat called Othello. <br /> <br /> After having an argument with his former best friend Hijiri Aota, Souhei found himself isolated in his class. He has no friends and he spends his lunch times reading books outside on the courtyard. <br /> <br /> Being isolated from the class caused Souhei to hold the strong desire to become invisible, which is granted by Maki-chan. He later travels to the transparent city, where he meets Seiji and Riina. Seiji offers him a home there with him and Riina.<br /> <a href="http://pandora-voxx.wikia.com" target="_blank" rel="nofollow noopener noreferrer">Information From</a><br /> <br /> In Invisible, a series of events causes Souhei to feel as if he is hated by everyone around him and causes him to wish he was invisible. After Maki grants his wish, he rejoices in his new found ability.