Kasuga Keiko

Kasuga Keiko was a samurai-ko of the Tortoise Clan.

Family
Keiko was the daughter of Kasuga Keda and served under his command as guardsman of the Sunset Tower, which held the Dark Covenant of Fire.

Covenant lost
In 1172 her companion Kasuga Mamoru was killed by Daigotsu Eiya and she was wounded. Mirumoto Ichizo appeared and she recovered enough to enter the Tower. They found all the guards killed, including her father, and the Covenant had disappeared.