At the age of eight, Bruno had a fateful encounter with Ivy the Turtle. After that, Bruno, who has become difficult to live in the village with Ivy, who grows big, decides to become an adventurer as a Tamer at the suggestion of Zennifer, a monster scholar. Bruno and Ivy left the village where they were born and raised in order to have a quiet life, but contrary to their feelings, they caused various disturbances and got caught up in them! Will peaceful days ever come? The adventure story of the novice Tamer Bruno and the cute and strong tortoise Ivy begins!