If you're looking for manga similar to Kojirase Hyakki Dominor, you might like these titles.
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.
The local gods are out of followers, and only have one yokai to give them power! Can Mizuchi, the yokai, bring any more into the fold?
Although he may appear rough-and-tumble, Jiro Azuma’s compassionate side emerges when it comes to the furry critters he can communicate with. But Jiro's soft spot for animals gets him in major trouble when a suspicious stray cat fuses with him, granting him exceptional power but also dragging him into humanity's hidden battle against powerful Japanese spirits, mononoke.
When Akitsu Makoto was a child, he tripped and fell at a shrine and was comforted by a strange being he believes was the god of that shrine. Years later when visiting a festival with his cousin Shou, he sees the god in the crowd and chases him to a shrine to thank him. The god, who is actually a kitsune spirit, tells him that because humans are destroying the environment and the shrines, and no longer believe in him he has lost his power. Jump forward to high school, and Makoto and Sho have inherited abilities as the descendants of the Akitsu clan to communicate and fight with demons and ayakashi.
In a world where youkai and humans attend school together, a boy named Atsushi Fukuzumi falls for snow youkai Muku Shiroishi. Fukuzumi's passionate feelings melt Muku's heart...and the rest of her?!
A fun school life every day! In the new semester when cherry blossoms dance, new students have come to Hyakki Academy, where youkai from all over Japan gather. Join shapeshifting tanuki Mamekichi Maizuka, nekomata Akisame Tamao, and their many loose and lively classmates in this prequel set one year before "A Terrified Teacher At Ghoul School!". A fun, exciting monster school comedy with youkai who are too unique!