In a world where monsters, supernatural creatures, yokais and many others, coexist in a "natural" way with the human race in the world, but there is a division in the world where on each island or continent, half of the land belongs to the creatures, while the the other half belongs to humans. However, despite the divisions, greed and malice caused these people to fight against each other, a war that has lasted since the beginning of the emergence of the human race..

[Edo Japan 1689]

There is a powerful yokai kingdom, which is located among vast cursed or haunted forests, in the kingdom, there are several villages, with countless types and variations of demonic or supernatural beings and others. However, in the kingdom, there are 5 main villages, which are the strongest and most powerful, one of these villages is the village of X, a race of skeleton monsters, which are characterized by their powerful magic and intense combat

Cross, an exile from the village, was an extremely powerful and skilled samurai warrior, known as the merciless Monochromatic, for having fought and killed several enemy humans and yokai in the war. However, due to a conspiracy by the village leader, who is Cross's father, he was accused of treason by the leader and his own brother, and because of this he was exiled from the village for a hundred years

Between the day Cross was exiled and today, only 50 years have passed, and a lot has changed. Cross now lives in a small house, built from sacred wood, in a large grove of cherry trees, but the grove, although beautiful, remains a cursed place

Cross is sitting on the edge of a small stream near his house, he was in complete silence as he waits patiently for something, however he soon smells a familiar smell, a human smell, Cross became alert and then calmly stood up, and then Take your machete and look for the source of the smell, to eliminate the threat