It's 500 words. In fact, I've written 1,000 words just for the postscript before (hey).
Well, let's start with the introduction (which means it's okay to read it if you don't want to) from here to the end:
After the last world-wide doomsday crisis passed, the elves became the rulers of the earth. Its magic forces humans to surrender, and at the same time awakens special abilities. Douqi humans are sent to Douqi academies for centralized management by the elven governments in various places.
In order to find her childhood friend who disappeared here in the past, our heroine Xing Zizai signed a contract with the black snake and became a magical girl who relied on defeating the weird Chapter to collect its core Page. There is only one goal, one of the 999 Pages - Page777 Destination! On the Kyushu Continent, it is this Kyushu Dou Qi Academy where Chapters appear most often.
Fighting super power × magical girl, officially launched. (End of introduction)