In the realm of 'Monsterology,' where creatures from far-off worlds and the fantastical realm of Andaka are summoned and harnessed, Iori Kurai embarks on a path to become a 'monsterist.' With aspirations of fostering a harmonious coexistence between humans and monsters, she sets her sights on Komonkai High School, a prestigious institution dedicated to the study of these enigmatic beings.