sin sentimientos el corazón frio

In a world where humans awaken their talents to become beast tamers and form contracts with magical beasts, Crane, stripped of his powers by his family, awakens a mysterious system. He excels in the Beast Contract Ceremony and Hunter Tower Trials, and uses rare resources to grow both himself and his beasts. Driven by the search for his parents, he embarks on a journey through dangerous realms,facing fierce competition and trials to become a true beast master.

Adrián despertó una bestia nivel SSS, la más débil de la historia: un slime. Todos se burlaron de él, hasta que el sistema en su mente brilló con una alerta de fin del mundo. Así comenzó el contraataque.