Indigo. The color of wisdom. It represents great devotion and justice along with fairness and impartiality. The spirituality of the color entices those with curious minds. Kazumi Tamashi wasn't born blind. After her life fell to shambles, she suddenly had the ability to see spirits. But only spirits. She's completely blind, with the exception of ghosts. Kazumi decides to become a demon slayer, following her mentor. She knew this may come as a surprise to others. A blind girl becoming a demon slayer? Despite these doubts, Kazumi pushed through, and achieved her goal. However, she didn't expect to run into a certain boy traveling with a demon so soon into her career.

Fuyo Dokujin doesn't have a good reputation. Those who know her shameful identity look down upon her. Those who know her secret will never trust her. They assume the worst, and never once had an ounce of faith in her. As a result of this treatment, Fuyo doesn't hold very high standards for herself either. She's a bad student and does what she wants. She acts out at school because she feels like she can get away with anything outside of her less than ideal homelife. However, Fuyo still applies for the hero course at U.A. High School. She believes that if she becomes a hero, she could save others from the things before they end up like her. She strives to help others, and intends to accomplish this goal. But not without causing some trouble along the way of course. (⚠️TW⚠️ This story revolves around the subject of abuse, and there's small mentions of sexual assault)

Korudo is a 12 year old girl who has grown up in a world of mistrust. She covers her problems with jokes and teasing, and she can't take anything seriously. Korudo decides to take the Hunter Exam in order to achieve her goal of finding her parents. She certainly never thought she'd meet two very unique boys along the way. She finds a specific white haired boy intriguing, and easy to mess with. He finds her annoying due to her constant teasing, which in return causes many arguments. As she goes on adventures with the duo, she finds herself falling for the assassin, much to her displeasure.