Natsu-Mon 20th Century Summer Kid invites participants into a vibrant 3D world set in the quaint town of Yomogi, a rural Japanese setting nestled between mountains and the ocean. As the son of a circus ringmaster, the people will experience a summer full of exploration and adventure. The open world offers a variety of activities in a backdrop that reflects the charm of the 1990s era. Users can move freely through colorful and atmospheric environments. The piece highlights a playful, cartoonish aesthetic, creating a family-friendly experience suitable for all ages. The setting allows for fun exploration of both the city and its natural surroundings, providing plenty of opportunities to pass the time.