It's been 3 years now, 3 years since demons gave way to zombies. 3 years that humanity has been struggling to survive after making a truce with the demons, hide at the butterfly estate . There were many losses.... Giyuu and Gyomei:These are sacrificed to keep the zombies away from the butterfly estate

Obanai:in a coma

Mitsuri and Sanemi:They protect the survivors

Uzui:He was transformed into a zombie

Shinobu:She's trying to find a cure

Kyojuru and Muichiro:They're dead