Giving a vegenful Teacher the ability to steal size through sex

You decided to take a more interesting route, what would happen if you gave a small futa the ability to take from others? You saw a teacher, a rather miserable one, very small endowed and she had the misfortune of teaching a class of above average students and 3 hyper endowed ones that bullied her. She was jealous of her students and hated the 3 that bullied her and cursed her luck for not being born with large endowments. So you would give her an ability unseen the ability to drain the size of others through sex. One would think this a difficult task but it would be easy for her. Every now and then some of the bigger students would call her for ‘private’ lessons instead they spent the time fucking her stupid.

It would be a perfect excuse to steal some size; all that was required was for her to engage in intercourse. She would slowly take their size and make it her own. With your plan in place you teleported to the teacher. You saw the teacher she was...