The Sword Guard Sound in Deep Mountain.Hakuoro and Touka went to fish and they also brought Arurū and Mukkuru along with them. While fishing, Hakuoro told Touka, stories about the spirit of the river, who swims in the river in the form of a fish. After a while, Benawi found where they are fishing. Benawi dragged Hakuoro back to the palace to continue his royal duties. Before he goes, Hakuoro told Touka to catch the spirit of the river. With that said, Touka waited for the spirit of the river to take her bait. Then suddenly a huge fish grab her bait. Touka pulled her fishing rod as best as she can, struggling against the fish. Arurū got caught in their struggle and fell down in the river. The current dragged Arurū away and got lost. After she saw what happened to Arurū, Touka pulled her fishing rod even harder and finally caught the huge fish. With its size, Touka assumed that it is the spirit of the river. Then, she quickly went to look for Arurū while carrying the fish. Touka searched for Arurū for several hours. It’s at night time that she found Arurū sleeping within the forest. Touka camped there for the night and vowed to her sword that she must protect Arurū, grabbing the sword that was supposed to be with her. She remembered that she left her sword with Mukkuru from where she and Hakuoro went to fish earlier during the day. The huge fish gained consciousness and is going to return to the river...