New contest entry: Reversing the Roles

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Twilight really should've known that asking an oversexed Rainbow Dash for help with her experiments would eventually result in getting violently fucked by the hyperactive pegasus. A small mishap during the experiment gives Dash the ability to control the mind and actions of her friend, and things go about as well for Twilight as one might expect in a situation like this.

Contains: soft mind control, dominant futa Rainbow Dash, bondage (kind of), facesitting, titfucking, benis in bagina.