I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too, Vol. 4 (light nove

Right as Yuuya gets roped into the hunt for a traitorous Prince, he encounters a mysterious girl who aims to destroy the entire world! Yuuya will have to push his overpowered skills past the limit to stop her. Complicating everything else, Kaori a...