A Pokemon coloring book from Showa Note's Nurie Selection series. This is the edition marked B.
The book is B5 size. The product number is 290728002.
Translated from the Japanese original.
Coloring books sold at 100-yen shops and variety stores are often renewed or replaced. Even with the same product name, the drawings inside can differ depending on when you bought it.
You can still log it as the same book even if the drawings differ. If you want to be clear, add a note like "bought in 2025" to your post.