Wakamatsu Masato resides in Tokyo with his step-sister Miyuki. Their father is often away on business leaving them to manage on their own. Even though they are not related by blood, Miyuki is highly respected by many, admired for her kind and gentle personality. Wakamatsu Masato has a girlfriend named Kajima Miyuki, whom he regards as a gorgeous and compassionate individual, the quintessential high school dream girl. It took several years for Masato and his step-sister to realize their true emotions and sentiments.
