Kunio Muroi, real name Kohei Morisaki, is a tall man with black hair. He is a diplomat, the only son of a traditional and very rich Japanese family. He has an arranged marriage with Tomoka, a woman he doesn't love nor respect, but with whom he has a six-year-old daughter named Apple. He is a good cook and flirt, intelligent and cultured. He has no respect for women, whom he lies for sex. He usually gets what he wants through his silver tongue, but is not above using violence. He smokes often.