Iria is the story of a girl and the Alien being she loves to hate. The series begins with her brother, Gren, taking a job. He is a bounty hunter, and one well known for his incredible skill. Iria, being a skilled apprentice bounty hunter herself, tags along. What is the job, one might ask. It is to find out what has happened to the crew and cargo of a Space Station. Needless to say, nothing is as it seems, and the war between Iria and Zeiram begins in earnest.

Hiromi appears on the outside to be a mature, resilient girl, but on the inside she feels like she's falling apart. She is having troubles at home mainly because of her parents wanting to separate. Her dog, Junkers, tries to comfort her in ways no other dog can. You see, he can talk and grant her 3 wishes.

Based on one of Iwadate Mariko's short stories appearing in the shoujo manga monthly magazine Margaret. This is a character study of a rather traumatized young woman who develops a crush on a man who lives next door to her.