Yuto works for the International Committee for Migration in a country where therions (animals with human-like features) and humans live in harmony.
One day,he is assigned to take care of a young boy rescued from a nearby country that had just ended a war between therions and the humans who were oppressing them.
When he first meets Lyco,Yuto is surprised by how guarded he is,although it's clear the boy is burdened with a painful past...