YOMERUBA is a website operated by KADOKAWA Children's Book Editorial Department, where you can enjoy reading books safely. The site offers a wide variety of contents for children from ages 0 to upper elementary school, including picture books, manga study series, Tsubasa bunko, and character books, and will be continuously adding contents for reading, learning, and playing, such as previews of upcoming books, information on the latest books, quizzes, reviews, and more.