You and your younger sister, Maiko, lost your parents in a traffic accident. The two of you have since lived with your relatives at the country side. Five years later, you graduated a high-school and returned alone to Tokyo to attend college. Your two-year younger sister came to Tokyo two years after you, hoping to attend the same college as you do.

You and your younger sister, Maiko, lost your parents in a traffic accident. The two of you have since lived with your relatives at the country side. Five years later, you graduated a high-school and returned alone to Tokyo to attend college. Your two-year younger sister came to Tokyo two years after you, hoping to attend the same college as you do.