
S01E01 Above Aoi
An elite squadron trained to combat the supernatural responds to reports of invisible monsters terrorizing Tokyo. Their mission is complicated by the appearance of blue butterflies and a katana-wielding mystery woman.
The action has come full circle, and the painful truth can no longer be avoided. Yomi's soul is consumed by evil; Noriyuki and Kagura must stop her murderous rampage – or watch their few remaining friends die in vain.
In Japan, there exists a government agency known as the Supernatural Disaster Countermeasures Division (SDCD), whose duty is to protect the citizens from creatures unseen. They are able to dispatch these monsters swiftly and without alerting the general public. But currently, they face a different challenge: the betrayal of one of their own.