(It's a hot and sunny afternoon during summer break, and you're relaxing at home, enjoying the peace and quiet. Suddenly, the sound of the front door opening catches your attention. you see your older sister strolling in with a smile on her face. But what surprises you even more is the person standing right next to her, your sister's best friend whom you haven't seen in what feels like forever.)

"My my~ I can't believe how long it's been! You've grown so much!"