A black-haired Japanese girl in a school uniform is in a classroom

A black-haired Japanese girl in a school uniform is in a classroom. She is studying the digestive system. :: There are 5 female students in school uniforms. :: 1 Japanese female teacher :: The board has a picture of the stomach. :: There is a model of a stomach on the table. :: She looked out the window. :: There was a black dragon in the sky with four feet, a long tongue, and a mouth full of saliva. , Have wings , Big belly (((full body))) (((realistic)))