Young kendo prodigy Ranmaru Samejima captures the attention of Kei Enjoji, the illegitimate son of a yakuza boss. Kei, determined to form a bond with Ranmaru, cultivates a friendship built on trust and sacrifice, which soon turns into love. After saving Kei from a yakuza hit-and-run attack, Ranmaru is forced to give up kendo forever, and the two are left with only their faith in one another. Vowing to support each other far from the world of the yakuza, the two begin living together as a couple. However, when a mysterious figure from the pair's past returns in pursuit of Ranmaru, they are thrust back into the world they fought so hard to leave—and their love may not be strong enough to survive it.

Set in the land of Yuguto, the people thought that the land they live is the size of the world, but it’s actually divided into several areas, each with a respective king. Even though there were small wars among areas, the kings had roundtable meetings to maintain peace and balance. It was until a dark group of dark monsters appeared... (Source: MAL News)

A promotional animation for mint candies.

Duwei is born into this new world from Earth without a sound, he does not cry, he simply stares at the people around him. As he grows he does not speak and curses this new world he was forced into. His Father a Great General is sure there must be something he has an aptitude for, however he is simply trash. Disregarded by his family as the Retarded heir. This is the story of his journey to discover the truths of this world and use the knowledge of his past life to remove his title of retard, even if he has to become a devil.