If you're looking for anime similar to Kiitaro's youkai picture diary, you might like these titles.
Fifth grader Wakaba can see things other people can't. Because of this, she's bullied by her classmates and spends her days alone. But one day, she meets a strange pink creature who only says "Pupipo." It quickly becomes fond of Wakaba and protects her from evil beings. With its help, she befriends Reiko, a girl obsessed with the occult. Meanwhile, she meets Naoya, a boy who can also see invisible creatures, and decides to help him get rid of them.
Natsume is lonely; he has an ability that separates him from others: he can see and interact with spirits. Soon, however, Natsume discovers that he’s not alone: his grandmother Reiko also had the gift. But things get hectic and possibly dangerous for Natsume when he finds out that he also inherited the 'Book of Friends', a book that contains the names of all the spirits Reiko defeated and subjugated. He finds himself hounded by his grandmother's underlings and, with the help of a 'cat' charm spirit, decides to free them from the Book's shackles, as well as protect the book from those who seek to misuse its power...
The protagonist is an elementary student girl Kohina Ichimatsu who lives alone. One day she summons a fox spirit named Kokkuri-san by a seance game with the same name. He was first intended to possess her, but instead, he decides to manage the household like her mother. The story revolves around a little strange daily life of them with two more other animal spirits, Inugami (dog) and Shigaraki (raccoon dog).
If you've bumped into annoying little misfortunes, such as loose socks, uneven disposable chopsticks, mistake rinse for shampoo, etc., that's because of these youkai doing mischief around you.
Gingitsune: Messenger Fox of the Gods follows the everyday life of Makoto Saeki, who is the 15th successor to her family’s shrine. As a result, Makoto is able to see Gintaro, a messenger of the gods who is the spirit of a sacred silver fox and has lived at the shrine for over 350 years. As a messenger of the gods, Gintaro has the ability to see into the future, and uses it to help Makoto only when she is truly in need. This is the story of friendship between a delicate teenager and a shy and stubborn messenger of the gods.