It is 1st of 4th manga, based on the novel Yamigarishi by YUMEMAKURA Baku

Abe-no-Seimei is back in Heian city! What sort of adventure will we find!? The sequel to the manga series Onmyoji (1993 - 2005).

Yoshitaka Amano's manga adaptation of the Baku Yumemakura novel of the same name. Amon is a young warrior desperately trying to avenge his mother's death. At the Emperor Valhiss' castle, Amon will have to endure the dangers of initiation and join the ranks of the imperial army. Once in the heart of the fortified city, Amon unexpectedly meets Princess Lichia, the beautiful daughter of King Sem Darai. The Emperor hopes to exchange the princess for a map in the possession of the King, but the real objectives of the Emperor are still obscure...