[Machine Translation] I'm Yuta, 6th grade elementary school student. I came to the dam that holds memories of my father to collect insects... But when I woke up, I found myself in a time slip! In the village, Yuta meets a mysterious girl named Saeko, and a mischievous Kenzo. One day, when he thought his days were not so bad with his new friends, Saeko confides a secret to him...? A story of destiny connected by fireflies, now available in Kizuna Bunko! From upper elementary school and junior high school.