Wortenia Senki  

Record of Wortenia War, ウォルテニア戦記, บันทึกสงครามวอร์เทนเนีย

Mikoshiba Ryouma, a high school student, was suddenly transported to another world amidst war. Feeling the hostility from his summoner, who belonged to the Oltormea empire, he used his martial arts skills to evade capture and accidentally killed several important figures in the process. Following his escape, Ryouma came across two sisters who were being held captive by thieves. The sisters possessed magical abilities and pledged their loyalty to him as their master. With this newfound power at his disposal, Ryouma embarked on a journey towards becoming the ultimate ruler of the land.

Wortenia Senki has been published digitally in English as Record of Wortenia War by J-Novel Club since July 13, 2019.