The Ninth Strongest in This World, I’ve Been Assigned to Monitor People from Another World

Cress “The Absolute Ice,” a member of “The Numbers of Calamity”—an organization of the nine strongest humans feared even by Demon Kings—is given a special mission. “Boss, who do I need to assassinate… Wait, what?” The surprising mission was to infiltrate a magic academy as a student and “monitor the heroes summoned from the Eastern Country called Nihon”! While easily passing the practical exam with his SSS-class abilities and securing admission to the magic academy, Cress, accustomed to combat and assassination, finds the task of monitoring beautiful female heroes to be a series of unexpected events!?