A new and exciting law of the jungle comedy about Kopeko, an unknown creature, and Ef, her intended foodstuff. Kopeko, a creature kept segregated in a mysterious facility, has lived a life of daily feeding. All of a sudden, a girl named Ef is brought before her. Kopeko is bewildered by the sudden change in her environment, but realizing Ef is to be her prey, she pounces...!? (Source: Kill Time Communications, translated)