Onmyoji: The Invincible Average

He transmigrated to the world of Onmyoji and gained the average abilities of everyone in that world. A great yokai: “Impossible! You, a human, can wield yokai power?” Little White: “How could Master cast spells without using talismans?” Minamoto no Hiromasa: “I've got you in close combat now! What are you going to do? What? You can use martial arts too?” Abe no Seimei: “This is my unique secret art, divination! It can, What are you doing? You actually learned my divination art?”