You could buy her more interesting kanji light novels as rewards. That would keep her motivated to keep reading and thus improve.
One way is to set up a little reading club just for the two of you. Discuss the light novels she reads. This will not only encourage her to read more but also help her understand the content better, enhancing her skills. For example, you can ask her about the characters and plots in the novels, which will make her think more deeply about what she has read.
You could buy her more complex kanji j novels. The new vocabulary and more intricate storylines will challenge her and help her grow.
Reading kanji light novels can expand her vocabulary greatly. She'll encounter new kanji characters and words in context, which helps with retention.
Another way is to join a local art club or group. There, she can share her work with others, get feedback, and learn from more experienced artists.
You can provide her with various drawing tools, like different kinds of pencils, colored pencils, and watercolor pens. Different tools can create different effects, which will give her more choices when she is drawing.
Maybe find some non - light - novel books that have similar themes. If she likes fantasy in light novels, there are great epic fantasies in the regular book world. You can also encourage her to read books related to her hobbies or future career goals. This way, she can see the practical use of reading different types of books.
She can start by taking swimming lessons from a professional instructor. Regular practice is key, so she should try to swim at least a few times a week.
She can take additional classes from different instructors. Each teacher may have a unique approach that can expand her skills. Also, watching a lot of professional dance performances can inspire her and give her new ideas.
Tell her that there are no limits to her imagination when making stories. Encourage her to combine different things she has seen or experienced, like the animals in the zoo and the characters in fairy tales. And praise her efforts and the unique parts of her stories every time.
You can provide her with a variety of drawing tools, like different kinds of pencils, crayons and colored pens. With more options, she can explore different effects in her drawings.
Share your favorite ways of playing with the toys. Maybe you like to line up your action figures in a certain order or create a little town with your toy cars and houses. By sharing your enthusiasm, she'll be more likely to have positive play experiences with your toys.