Tokyo Iriboshi Kanrikyoku

Aliens exist, though many remain hidden among humans. While some live ordinary lives, others engage in criminal activities. A specialized unit known as Interstellar Immigration works to protect Earth by monitoring and controlling alien presence. The narrative centers on two high school students, Lein and Ann, who actively participate in these efforts. They pursue unlawful extraterrestrials while balancing their academic responsibilities. The story combines science fiction with action, emphasizing their roles in maintaining security.