If you observe the Earth from a single light year away, you can witness its state from a year prior. As you surpass 10 light years, you can witness events from a decade ago, and as you surpass 100 light years, you can view happenings from a century ago. Essentially, the universe serves as a mammoth time machine.
In a well-stargazed village, the inhabitants were caught off-guard by the sudden construction of a peculiar power plant. As they sought to uncover the truth, impenetrable barriers sprouted up around the village, signifying its imminent destruction. For Koutarou, who had lived in this village for 11 years, the thought of losing his home was unbearable. Unwavering in his determination to rescue the village, he embarked on a mission to save it at the start of summer break. It was then that he encountered the enigmatic Oosaki Kanna, who arrived in town with a captivating smile. This meeting marked the beginning of an unforgettable summer...
