Shamanic Princess

The fight continues with Lena, Leon and Tiara but is stopped by Kagetsu who ask Tiara to give him 2 or 3 days so he can returned the Throne of Yord. Apparently Lena and Kagetsu are trying to extract Sarah, Kagetsu's younger sister, from the painting. Later, Tiara finds out that Sarah is inside the Throne of Yord and Tiara tries to save her. In trying to save Sarah she is sucked into the painting. Kagetsu go inside the painting to save Tiara but in doing so he was injured in the process. Then Sarah is the one who helped them get of the painting.

The fight continues with Lena, Leon and Tiara but is suddenly stopped by Kagetsu who asks Tiara to give him 2 or 3 days so he can returned the Throne of Yord. Source: crunchyroll

Tiara wake up seeing Lena taking care of Kagetsu. After Tiara leaves Lena, Leon and Kagetsu are sucked into the Throne of Yord. She finds Lena acting strangely, who sends Leon against Tiara. Lena is being controlled by the Throne of Yord. Tiara trys to find out the connection between Sarah and the Throne of Yord. Before the battles end Sarah appears to a tearfully Tiara.

Tiara realizes that wasn't the real Sarah it was the Throne of Yord. Throne of Yord then reveals itself. And controlds Kagetsu to fight Tiara and Lena. Everybody is saved when Tiara and Lena fuse together.

This is a prequel for the first four episodes. Source: crunchyroll

Sarah is offered as sacrifice to the Throne of Yord. Kagetsu is torned apart from the lost of his sister. Tiara is sent on a mission but something goes wrong. She can't control Graham, so she is punished.Lena summones her partner Leon. Later, Lena visits Tiara in prison and introduce Leon and ask her to take care of Sarah. Kagetsu finally decides to take the Throne of Yord in order to save his sister Sarah. Graham is the only one that stands in Kagetsu's way when he steals the throne of Yord and tries to escape the Guardian World.