Natsume Yuujinchou Shichi

A Ghost and spirit explorer, Takashi Natsume wanted to reach the spirit world. One day while exploring a barend place he found two spirits, Kagetaki and Youkai. They wanted to go back in their spirit world and Natsume agreed to help them. During their journey, they create a deep emotional bond between them. Along with that Natsume feels a huge connection between the human and the spirit world.