At the end of the day, Mr Kowalski and Mrs Brown were summoned into Principal Anderson's office. They were both biology teachers, in charge of the sex education courses. But when they arrived in the principal'office, it was empty. However, They heard some noise in the vice-principal office. It was female moanings. The two teachers looked at each other. They were both curious and embarassed, they hesitated a minute, then decided to peek into the other room.
They saw two women very busy fucking on the floor. Except they were not exactly women, as the two teachers immediatly noticed the huge, erected cocks of Karla and Sarah. Mr Kowalski and Mrs Brown retreated into the principal's office.
Mrs Brown whispered "Did you see their penis ? It's anatomically impossible !"
Mr Kowalski added "And their breasts ! No woman has breasts like that!"
Mrs Brown, who had only small B-cup breasts, didn't want to admit she was jealous of the two futa. Mr Kowalski peeked again in the other room: "It's only for science ! We need to know who they are."
But the door opened; Sarah Tedds and Karla Anderson came inside, completely naked.
Mrs Anderson said: "I have summoned you, because sex education courses in this school is bellow average. You need to have more interaction with your pupils!"
Mrs Tedds added: "And how could you teach about sex if you only see half of the picture ? Only futa like us can be good sex ed teachers !"
Karla ordered: "So, remove your clothes, and let Mrs Tedds and I share our little gift. Soon you'll be be two healthy futa like us!"
The two teachers were still confused: who where those women who were giving them orders ? Were they really the principal and the vice-principal of the school ? But the two futas were the proof that there is some things they didn't know about biology. Mrs Brown conceded: "Maybe you are right. Could you help us to become better teachers ?"
Despite Mr Kawalski's protest, Mrs Brown emoved her clothes and agreeded to be fucked by Mrs Anderson and Mrs Tedds while Mr Kowalski was watching. "It's for science, and for the kids!" said Mrs Brown as her body was changing. To her delight, her breasts expanded to a G-cup, slightly smaller than Sarah's and Karla's, but Mrs Brown did not complain. She was more worried about the penis she was growing, as she wonder what her husband would think of it. Unless... if her husband gained a pussy of his own, surely (s)he would appreciate Mrs Brown's new dick. Yes... Everybody need to become a futa. And their next target was Mr Kowalski.
Mr Kowalski was speechless, paralyzed by fear. He saw Mrs Brown changing as she was having sex with the two futanaris. And then they were three. He begged: "Please let me go. I won't tell anyone."
"If you nicely play with us, we'll let you go. Mrs Brown never got a blowjob so far, would you be kind enough to suck her dick ?"
Mr Kowalski fell on his knees and sucked Mrs Borwn's newly formed dick. It wasn't as bad as he thought. Sure, the dick was so big that his mouth was full. But he like the taste of precum. And when Mrs Bown cummed, he swallowed. This trigered the mental changes. Mr Kowalski finally saw the beauty of the bodies of the futa, and he offered his ass to Mrs Tedd, who gladly fucked him.
While Mr Kowalski was becoming a futa, the secretary of Mrs Anderson came back with female clothes: "I have new clothes for you and Mrs Tedds. For the future Mrs Kowalski, since I didn't know her size, I choose something generic."
"Perfect. How much did it cost to the school's budget ?"
"Nothing. I shared our gift with the salesman and he .. well, she didn't ask me to pay for anything."
Operation "Everybody Futa" was running smoothly. 10 minutes later, Mrs Kowalski and Mrs Brown were ready to teach sex education in a brand new way. But that would be a task for the following day. That night, they would share their gift with their loved ones.