If you're looking for manga similar to Bakeneko System, you might like these titles.
A rural town where youkai, people and gods live normal, everyday lives, mixed with a bit of warmth and occasional mystery. One summer, the twenty-year old cat Buchio suddenly evolves into a nekomata. Questioning the reason for his evolution, he sets out to learn more about transformation, together with the transforming kitsune Yuri. Muu-chan spies on the crow Tengu Jirou as he performs his Tengu duties, and begins to see Jirou in a new light. At that same time, rumors of a unfortunate Nue begin to spread...
Karin, 11 years old, is abandoned by her father at her grandfather’s house, the monk of a small town in the Japanese countryside. Her grandfather asks Anzu, his jovial and helpful although rather capricious ghost cat, to look after her. The meeting of their strong characters causes sparks, at least at the beginning…
One day on her way home from shopping, Norie stumbles upon a feverish figure surrounded by cats. But when she takes him home to nurse him, he turns out to be... a nekotama?! Could things get any weirder?!
When a widower tries to move on in the countryside after his wife dies, his solitary life is interrupted by a furry friend. His wife's beloved pet cat has turned into a nekomata—a cat yokai. Now this friendly supernatural kitty is as tall as a human, has two tails, and can even talk! Together, they share a heartwarming slow life as they cook and eat tasty food surrounded by nature. Enjoy freshly baked bread, homemade jam, fluffy omelets, and seasonal vegetables with the members of this unusual and charming household!
Fushimi and Toume were just a normal boy and girl going to high school until one day they stumble upon a phantasmal mountain known as "Mount Hagure" . Before either of them knew it, Toume was possessed by a yōkai named Dakini, a goddess that grants wishes. When Fushimi is asked what he wishes for, his response is: Give Toume back. Dakini says she can grant the wish but in return he must become her servant. The deal is struck. Fushimi has now become Dakini's servant and Toume has been returned. Darkness, however, is afoot and now Fushimi must take on a more active role as Dakini's servant. Is he up for the task?
Mirai works at a local cat café which has recently taken in a large, abandoned cat... which, to her surprise, is actually a cat god who can speak!
This is the visual diary of Kiitarou's experience with youkai. He's a boy with a very strong spirit sense, but when he entered a forbidden storehouse, he was kicked out of his home. He soon found a new place to live, where he met a house spirit named Suzu. He and Suzu soon began to attract all kinds of spirit creatures, starting with a nurikabe and mokumokuren. What kind of folkloric creature will he meet next?