>>68973338>Implying Koyori isn't already perfecting a drug to reduce your refractory period to mere seconds while also increasing sperm production by 300%. Formulas currently show that if a full dose is administered, if you don't cum at least once every 4 minutes, your balls will feel like they're on fire.
>To this end Koyori is also developing a lubricant that is meant to increase hers and yours sensitivity 200%. Science aided sex is simply the best.