Natsume's Book of Friends Season 6 Episode 10 The Sealed Room

Natsume's Book of Friends season 6 episode 10, titled "The Sealed Room" follows the story of Natsume Takashi, a teenager who can see and interact with spirits. He has inherited a book of names from his grandmother Reiko, who also had the ability to see spirits. The book contains the names of many spirits that Reiko defeated during her lifetime. Natsume decides to return the names to their rightful owners to alleviate their suffering.

In this episode, Natsume is asked to help an exorcist named Natori Shuuichi. Natori requests Natsume to help him lift the seal on a room that contains a powerful spirit. The room is located in a traditional inn where Natori's client is currently staying. The client is a wealthy businessman named Okamoto who is being haunted by the spirit. Natori believes that the only way to solve the problem is by unsealing the room and defeating the spirit.

Natsume agrees to help Natori and they both travel to the inn. Once they arrive, they meet Okamoto and his associates. Okamoto tells them that the room has been sealed for over a hundred years and that no one has dared to enter it since then. He also mentions that strange things have been happening since he arrived at the inn, such as objects moving by themselves and eerie noises coming from the sealed room.

Natsume and Natori investigate the room and find that the seal is very strong. They both realize that it won't be an easy task to unseal it. While they are examining the seal, they are suddenly attacked by the spirit that is inside the room. The spirit is very powerful and Natsume and Natori struggle to defend themselves.

As they fight, Natsume realizes that the spirit is not evil, but rather it is suffering. He discovers that the spirit is the ghost of a young woman who died in the room a hundred years ago. Her death was caused by her lover who betrayed her and left her to die alone. The spirit has been trapped in the room ever since, unable to move on.

Natsume and Natori come up with a plan to help the spirit. They decide to break the seal and release her from the room, but they also need to find a way to ease her suffering. They both know that the only way to do so is by finding her lover and asking him to apologize for his actions.

The rest of the episode follows the adventures of Natsume and Natori as they try to find the man who betrayed the young woman. They visit different places and meet various people, but their search is not easy. They also encounter other spirits who are drawn to the young woman's sadness.

Eventually, Natsume and Natori find the man and confront him about his actions. They convince him to apologize to the young woman and ask for forgiveness. The plan works, and the young woman's spirit is able to move on and find peace.

In the end, Natsume and Natori say their goodbyes and part ways. As Natsume walks away, he realizes that helping spirits find peace is his true calling in life. He also feels a sense of gratitude for the experiences he has had and the people he has met on his journey to help those that are trapped in the spirit world.