Iriya no Sora, Ufo no Natsu  

Iriyas Sky, Iriya's Sky, Summer of the UFOs, イリヤの空、UFOの夏

Naoyuki Asaba is an average high school student who was part of his school's press club. During the summer, he camped near a military base in hopes of seeing UFOs rumored to be hidden there. Upon returning to school, he encountered Iriya Kana, a girl who seemed unusual. Over time, Naoyuki came to understand that she was not just strange but also harbored a dark secret that lay beneath the world he knew.