Of course you open it

You quickly pull the tabs on the box and the top comes off easily. Inside you find a large vial of chalky pink liquid with a box of single use syringes along with twelve other boxes of various sizes. You knew there were twelve because they were numbered. Also inside the box is a short letter.

Dear Alexis,

Please inject one vial into the fat part of your cute ass once daily,

Alternate between the cheeks, these are big doses honey,

Leave the boxes until your training calls for them,

With Love,

Your benefactor

Cerve must have also read the note.

Cerve : "Would you like me to administer your medicine sweety?"

Your medicine. This was the stuff that was going to really change you. You wonder if Sammy had been on the accelerated path and who this mysterious benefactor was. You remember from Sammy's appearance on SFC that she had been on the program for nine months and she definitely had the body of a woman by then. Potentially it was developed even sooner than that and if you were on a more accelerated program than she was... Just how much would one dose of this stuff do to you? The thought of it is turning you on.

You nod at Cerve who immediately opens the box of syringes and efficiently selects one before filling it from the vial as if she had done it a thousand times. She points to the table.

Cerve : "pull down your pants and bend over please honey, this will only hurt for a moment."

You comply and bend over, feeling very exposed. The position is definitely turning you on. The flood gates had broken and you could finally be honest with yourself that the idea of a man, a real man, putting you into this position making your... clitty.... strain at its cage wasn't some fluke, it was because it was incredibly hot.

You feel a sharp prick followed by a gentle pressure. You're sure it's in your head but you're convinced you can feel the stuff moving through your veins, changing you irreversibly from the inside. You close your eyes for a moment and just enjoy this mental image. Just a couple days ago this felt like a slowly encroaching nightmare. Now that you'd given in and accept your fate you know what Sammy was talking about. This was hot. At least in your head you could feel the masculinity burning off from exposure to the potent concoction and you loved it. Good riddens, it never did anything for you.