The Purple Reaction

Nagisa Shiota, a boy who was supposed to be a girl. Growing up with his older brother as a role model, constantly being put under a pressure. Because of his family's wealth getting smaller, he is going to be married to another family. Will he be able to stand up for himself, for the first time in his life?

Karma Akabane, a boy from a family of drinkers and failures. The Akabane family was broken, long before Karma can remember. The only thing keeping him alive, is his twin sister, his sister, who he was separated from for 10 years. Karma thinks of a life as boring, and will do anything to have some entertainment. He doesn't care what.

Ayato Shiota, the first born son into Shiota family. Being burdened, with the title of the heir, he never really controlled his own life. Having a younger brother portrayed as a girl, made him realize that life is really cruel. Will he help his brother? Will he be able to take his life into his own hands?

Nirvana Akabane, a young and talented killer. Living only with her mother for 10 years, after her father took Karma and left, she was not growing up in ideal conditions. She got an intensive training, and her Assasination life, is the only thing that keep her twin brother from dying of boredom. But, what will happen, when her targets, are the sons of a rich family?

This story watches over the life's of four young people, in which every life story is different, and yet they all intervene. Four people, that had absolutely nothing in common, being connected by blood or not.
Little did they know, that a single night could change their lives for ever.
For better or worse...........that's left on them to decide.