I'm back. The scenery I've been familiar with since I was little. Even now, as an adult, the air feels comfortable.

"Aaah, I'm going! I'm gooooing!"

A cheerful, nostalgic, and beloved voice echoed in the summer sky. What came into view was that unchanging girl. Her smile was as dazzling as the summer sun. The town where I grew up. The same old summer. The same old time waiting for me. That's what I thought… But, I never imagined back then that this summer would change us──