Go Sashuu Kudasai

The assistant teacher that she hates turns out to be a fellow writer with whom she continued to create in a genre of her favorite game that has since been discontinued --!? Just as tensions begin to build between high school girl artist Kumai and high school teacher Shirokawa, a certain project is announced by the official website for the discontinued content...

(Source: Hakusensha, translated)

Note: Includes six extra chapters.