One of Studio Ghibli's (excellent) films, named Princess Mononoke, has depictions of kodama: In Japanese folklore, kodama are tree spirits that inhabit trees that are older than 100 years. In the
What was the Japanese tale or legend about a character who licks his/her fingers as a habit? I don't remember but I think it was some demonic tale or something like that.
Japanese Mythology in Popular Culture: Exploring the Enchanting Influence - Old World Gods
Water Monsters 百物語怪談会 Hyakumonogatari Kaidankai
Storybooks about Japanese Mythology? - Mythology & Folklore Stack Exchange
Why do I fear the Beast God from Princess Mononoke? - Quora
Japanese Mythology: Exploring the Legend of Yamata No Orochi - Old World Gods
Lore Olympus Hardcover Graphic Novel Volume 04
The Brilliant Japanese Folklore That Inspires Anime (NEW BOOK)
Yama no Kami Mountain Spirits Mythology: Exploring Japan's Sacred Mountain Deities - Old World Gods
Why conservation needs a tree-spirit?, by Kodama conservation
The Project Gutenberg eBook of The History of Nations: Japan, by K. Asakawa.