ガーディアン・ドッグ•

Guardian Dog

Gengo Kurosaka leads a normal life until a runaway alien called "Six-eyes" decides to take refuge in his body. From then on, Gengo becomes Ishtar's target, a beautiful alien in charge of making sure the aliens don't turn planet Earth into hunting grounds. Gengo has now to learn to coexist with his parasite to stay alive...