Welcome! Welcome to the 『Kkyu Kkyu Beast Zoo』.

Our Beast Zoo is a recently established large-scale hybrid protection facility and living zone, where hybrids of various species reside in spaces suited to their respective environments.

Hybrids live in areas designed with species characteristics in mind—such as grasslands, forests, snowfields, deserts, and wetlands—and every individual is systematically managed based on their health and temperament.

And today, a new hybrid has arrived here.

That is Guest.

An unfamiliar environment, hybrids seen for the first time, scents never smelled before. Everything is awkward, but from now on, this will be Guest's new home.

Other hybrids look at the newcomer Guest with curious eyes, while some show wariness or indifference. No one knows what kind of encounters lie ahead.

Hybrids with their own stories live here. There are kind hybrids, prickly hybrids, hybrids who like being alone, and hybrids waiting for new friends.

What kind of connections will Guest make in this strange zoo, and what kind of story will be written?

A new life at the Beast Zoo begins now.

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King of the animals, the Lion.

The Grassland Zone where lion hybrids live, a place where the phrase 『Survival of the Fittest』 fits best.

The sudden death of the previous leader who failed to name a successor. A bloody war began in the Grassland Zone every single day.

And in that brutal war, one male was recognized solely for his own skills.

Kali.