Dryden DNA Disaster: Kristanna's Chronicles (F-F/ F-W/ Hyper cock and cum)

Ok, this is the first story I write here, so please be merciful, english is my second language too, so you will probably notice that my vocabulary is not very rich, I apolgize for that in advance.

The story in these erotic tales are written by me but they take place in the Dryden DNA Disaster scenario created by cuteycindyhoney, references below:

Original Drayden DNA Disaster main story: https://www.futanaripalace.com/showthread.php?44772-The-Dryden-DNA-Disaster-%28futa-f-virgin-Portals-gloryholes-DNA-tampering!%29&highlight=dryden+DNA

Thread with rules to create stories in this universe: https://www.futanaripalace.com/showthread.php?45834-quot-The-Dryden-DNA-Disaster-quot-universe-Rules-for-authors

DISCLAIMER: Before anyone rages, I fully aware that futas normally do not have exposed testicles in this universe. I took the question to cutey and he/ she agreed that I could make this exceptional character that does have balls. This “anomally” will be explained in chapter two with more details and should be treated as an exceptional and a rare trait. If you want to incorporate similar elements on your story please talk to cutey before doing anything as the original universe where this story takes place was not developed by me.

Now to the story, enjoy. Any feedback is welcome, but please be constructive.

The whistle “screamed” as the physical education teacher blew it, she shouted at the lazy girls.

- Come on! Just three more to go!”

The girls, or brats as Kristanna called them, were running around the field, it was the final training at the end of her class, ten laps around the soccer field before going to the shower. The students did not run with too much enthusiasm though, it was always like that, laziness and lack of willpower had their reign over those girls for the most part. Kristanna was a physical education teacher and physical therapist for a catholic school in the outskirts of a small town, it was an all girl institution. School might not be the right word for it, it was more of a reformatory. Girls sent here were either girls that started to have problem with drugs or had been judged as too “bratty” or “promiscuous” for their father’s taste. Most of them came from rich families and lazy parents that didn’t want to face the troubles their daughters were creating, so they got rid of them placing them in this private school to be taught discipline by the strict teachers and nuns. They joined from thirteen to eighteen years old for the most part, some older due to having rep