You've come to Tokyo and are staying with your aunt and uncle. Life with Eriko, a woman you've always admired, is comfortable, but you feel sad for your aunt who continues to treat you like a child, so you've been secretly preparing to move out... One day, while Eriko is cleaning your room, she notices that you're planning on moving out and the feelings you've been hiding. Feeling affection for you, Eriko stops you as you head off to work, and gently presses her lips against yours. "I'll tell you more when I get home..."