Young Master Ruiko, as yet in high school, is being trained to succeed his ailing grandfather as president of the company. Appointed to be his tutor is Naguko Shouichi, a highly valued employee of his grandfather's. Initially pleased with the arrangement, Ruiko comes upon Naguko kissing a man! And yet, whenever Naguko stands close to him, Young Master Ruiko gets strange, warm feelings creeping all through his body.