In Felicidad, farmers known as the Farmagia raise monsters under the peaceful rule of the Magus Diluculum. After the Magus passes, a power struggle erupts among forces using monsters to seize control. In the town of Centvelt, Farmagia Ten and his friends band together against the despotic new ruler, Glaza. Ten, his friends, and their home-grown monsters must stay strong to defend their freedom.
Determined to match Emero, who demonstrated mastery over controlling monster powers, Ten repeatedly attempts to "Unite" but fails no matter how hard he tries, growing increasingly frustrated. Then, Emero appears before Ten and the others once more, but this time, he shows even greater hostility toward them.