Cain, 27 born as Claire, is an orphan boy who ran away from home in the offskirts of Blackriver and taken in my the charitable Dr. Jaharis, and his lovely daughter Darjeeling. Cain and Darjeeling became instant friends, and soon after more. With his money and power, Dr Jaharis was able to give Cain what his family never could. Claire officially became Cain as an engagement gift. Cain, though owed  everything to Dr Jaharis Sr., he was disgusted to learn of how sick of a man Darjeeling's father was and aided her in murdering Dr Jaharis Sr. and giving the lab to his new fiancée. After than, Cain spoke little, but did everything for his Darjeeling.