Once upon a time, in a sunny grassy meadow, there lived a cute little rabbit named Yaya. Yaya loved hopping around in the grass, but he didn't like to brush his teeth.

One night, Yaya felt a little ache in his tooth. He held his cheek, feeling uncomfortable. Yaya realized he had a toothache.

Yaya tried to ignore the pain, but it kept getting worse. The next morning, he decided to visit Doctor Duck for help.

Doctor Duck was a friendly, white-feathered duck with a big, yellow beak. He examined Yaya's teeth and gave him some medicine for the toothache.

Yaya took the medicine and promised Doctor Duck that he'd brush his teeth every day. From then on, Yaya learned the importance of dental care and never had a toothache again.

Yaya happily hopped around the meadow, showing off his clean, shiny teeth to his friends. He was grateful to Doctor Duck and glad to be pain-free.

And so, Yaya the rabbit continued to enjoy his playful adventures in the sunny meadow, always remembering to brush his teeth before hopping to bed each night.