If you're looking for manga similar to The Morose Mononokean II, you might like these titles.
Follow the antics of a snowman turned Yuki-Onna hellbent on destroying the sun with the help of a child named Himari and her Aunt Koharu.
Five hundred years ago there lived a feudal lord with a vast amount of spiritual power. To keep it from falling into the hands of demonic Ayakashi, the mage Tokimori Hazama and his two students were called to defend the land. However, they fell ill, and the feudal lord was killed and buried on the land now called Karasumori. Years later the successors of the Hazama students, Yoshimori and Tokine, have inherited the powers of the Hazama clan. They are Kekkaishi, users of the Kekkai, a secret and powerful technique that creates a strong barrier to capture and eliminate Ayakashi. Protectors of the power buried beneath Karasumori, Yoshimori and Tokine spend their days in the school built on the land, and their nights defending it from attackers who wish to use the power for their own purposes. With Karasumori's power growing more unpredictable everyday, will Yoshimori become strong enough to protect the ones he loves?
Seiichi Takamagahara is a high school freshman living alone. One day, he finds a picture book among his grandmother's possessions. The monsters depicted there were not just pictures, but the monsters whose ancestors had sealed long ago. After a long time, the power of the seal weakens, and youkai are released to the world. The reincarnation Seiichi decides to seal the scattered monsters again with the fox god and silver.
In a world swarming with yokai demons... One day, mediocre exorcist Kazami encounters a beautiful girl named Paira. But who is she?! And could the seemingly useless Kazami actually have a special ability?
Sabatora, a boy whose parents were killed by Kuremyō, works as an Onmyoji for the Public Security Bureau to get revenge. His only comfort is Kyue, a Kuremyou who lives with him. Kyue, who has lived with Sabatora since he was a small child, is a kind and gentle soul who is like an irreplaceable member of Sabatora's family. One day, however, Kyue is attacked by Seto, a colleague from the Public Security Bureau who hates Kuremyei. In a pinch, Sabatora and Kyue undergo an unexpected transformation.
The fearsome Rain Woman youkai finds a little boy to haunt, but finds in him more than what she bargained for: A little kernel in her heart.