The Rising of the Shield Hero Volume 05: The Manga Companion by Aneko Yusagi

Naofumi has been magically summoned to another world as the legendary Shield Hero, but all that awaits him there is betrayal and heartache. Finding nothing but opposition and strife Naofumi makes his way to another country within the realm. But suddenly terrible waves of destruction arrive to desolate the world! To make matters worse, the country that he is supposed to be serving has just accused him of kidnapping the princess!