High school girl Maika Sakuranomiya has trouble finding a part-time job because of how scary she looks when smiling. However, she is scouted one day by Dino, the manager of…

The distant future, 5012. The sudden aerial invasion of Earth by＜ Aliens ＞ and their creations ＜Machine Lifeforms＞ led mankind to the brink of extinction. The surviving number of humans…