Sono Yo no Dokoka, Chizu ni Nai Kuni

Shin has visited nearly every country except a mysterious uncharted region 500 kilometers from his home. Upon entering this area, Oraie, he is captured and told that no one who enters can leave. As he adapts to life there, Shin learns about Musutia, the young leader burdened with Oraie’s future. He also meets Noe, Musutia’s retainer, whose duties include giving him a healing kiss. The nature of their relationship remains unclear.