You need a show first

"I mean, it's not quite up to size yet, I need a good show for that. I don't suppose you could help" You say, fully aware that if the rulebook doesn't work like it says this could go very badly for you.

To your surprise and relief Nicole doesn't seem bothered by this and simply responds with "Sure, what did you have in mind?"

"Well your chest is probably your best feature, why don't we focus on that?"

Nicole nods her head in agreement and turns to face you fully before pulling her top off over her head. She has a relatively plain white bra on but the sight of her breasts practically overflowing in it is easily one of the sexiest things you've ever seen. She takes a second to tease you, leaning forward and running a finger, slowly, down the middle of her chest, before her other hand unclips her bra and she lets it fall off. As soon as her bare breasts are exposed to you your dick was out and you continue stroking yourself, up and down. Nicole begins bobbing up and down in her seat, causing her chest to bounce in a nice, regular rhythm. You zone out a little as your eyes just follow her beautiful, bouncing breasts. You are snapped out of your reverie by her speaking to you again.

"Hey, are you close yet?"

"Eh, sort of but I'm going to need a little more."

"Hmm, alright," Nicole thinks for a moment and then turns away from you "Hey Helena," she says to a girl sat in the row in front of you.

"What do you want?" Helena responds in an annoyed tone of voice. Helena's a blond bombshell, but also a total bitch to all but her closest friends; didn't stop her from frequently being the subject of your sexual fantasies though.

"Dylan needs your help, you know the rules," Nicole replies, somewhat smugly.

"Ugh, fine, what do you..."

Helena's question is cut off by Nicole's answer.

Nicole grabbed the back of Helena's head and pulled her into a deep french kiss. You can see that Helena's not exactly happy about that but she also doesn't protest or actively resist. The sight of these two gorgeous women making out for your enjoyment is what sends you over the edge, shooting a load of cum all over your desk.

Eventually, Nicole lets go of Helena and pulls away from the kiss.

"How long have you been waiting to do that you perverted dyke?" Helena says while wiping her mouth off.

"I wouldn't run your mouth too much if I were you, honey, Dylan still has to decide who's handling cleanup after all," Nicole looks at you expectantly, breasts still fully exposed, nipples erect and playing with one of them as the two girls await your judgement.