As Thin as a Flower Petal

A fantasy story about an assassin named Kyoto, a half elf/half human. They say he was born in a beautiful garden as bright as the sun. Splashes of colors no one knows the name of, but Ky wasn't a colorful person. He ran away from Home when he was 9 when he found out his mother and father was assassinated by a tiefling group of knights that call themselves Fyrin in the South. He vowed to find who killed his parents. But what will be the death of him? Himself? Or Fyrin?