Ichiga has returned and leaving behind his most beloved guardian spirit.

An incident occurs in which the king, who has returned without anyone's knowledge, is attacked by an assassin. In the process of searching for the culprit, Eli, the guardian spirit, and his comrade Tsuman catch the king's eye and are selected as guards.

Eli tries everything to get out of the guard duties, but instead he only stimulates the king's curiosity, and Eli finds his attention burdensome.

One night, when he has a drinking party with the king, Eli wakes up from sleep and notices that the king is different from usual. With unfocused eyes, the king lunges at him…