At a high school where the students are literally divided into predators and prey, friendships maintain the fragile peace. Who among them will become a Beastar--a hero destined to lead in a society naturally rife with mistrust?

Gray wolf Legoshi trains and fasts in preparation for the monthly black market battles, where he plans to duel mixed-species psychopath Melon. What is red deer Louis willing to sacrifice this time to help Legoshi triumph? Regardless, it seems that Legoshi's soft heart may be his biggest obstacle because before he faces Melon, he must defeat a gang boss who reminds him of someone he loves...