The Master of Ragnarok & Blesser of Einherjar (Manga) Volume 2

Yuuto Suoh finds himself transported to a world reminiscent of Norse mythology, where he must navigate the complex politics of warring clans. While he desperately seeks a way back to his own time, he is constantly besieged by clan leaders vying for his favor and military expertise. Between managing alliances and defending against rival spies, his life in this strange new land is anything but peaceful.