Samurai Musou: Sengoku Saikyou no Samurai, Isekai wo Yuku

The samurai who was hailed as the strongest of the Warring States period has been summoned from the midst of battle to another world. He only has one objective: to decapitate the powerful. If they don't fit his sense of what's right, whether it's an aristocrat, feudal lord, or king, no matter. "It's a battle. It's the low overthrowing the high. It's stealing a nation." The destination of the transmigrated master race is...

(Source: Futabasha, translated)