Sleep, but get rudely-awakened later that night.

Kim already agreed to all of your demands and upped the ante on you, so you don't push it. She's your slut now, so take your time and enjoy it.

You fall asleep to the sounds of Kim talking in her sleep. She's describing a scenario where you pound her in the middle of Civics Class. The fact that you are still filling her up with your cock might be inspiring that.

A few hours later, you are partly-pulled out of REM Sleep by the sound of the door opening. You hear footsteps and then the lights come on. That isn't what wakes you though.

"God dammit," Melissa exclaims quite loudly.

You and Kim are both awakened by the sound and pulled further awake by the now-lit room.

"You couldn't wait? You couldn't wait until morning?!?"

"What is going on," you say, "What are you talking about?"

"I was going to confess my feelings to you in the morning, stupid," Melissa says, "Maybe surprise you with a handy or something."

"Listen, I didn't know. How am I at fault for not acting on something that I didn't know?"

"Why did you leave then?"

"I got up to use the bathroom and found Kim passed out in the Hallway," you explain.

"He took me to my Room and put me to bed," Kim continues, flexing on your cock a little, "When he just did that, I told him how I felt. One thing led to another and..."

"You fucked her," Melissa says, "I can see that. You still are! This slut."

"Hey!"

"Calm down- both of you. Yes, we all know that Kim has a past. I agreed to put it behind us if she agreed to certain rules that would work for both of us," you explain, "And she did. We only did it AFTER that was all settled."

"I want to be a good girlfriend," Kim says, "In fact, I'm going to show both of you."

She pushes on your chest and slowly gets off of your dick. It isn't easy since you came inside of her and she's been resting there for a few hours now. She finally disengages and moves to the side.

"Holy shit," Melissa says, staring at your now-revealed cock.

"Since I've been such a slut, I feel like I owe him a few freebies," Kim says, "You know, to make us even. I'm going to let you be one of them, Melissa. What do you say?"

She looks on shocked, staring alternately at your cock and your face (looking for some help).

"I'm willing to make up for lost time if Kim is okay with this," you say, "Melissa."

"I...I want to. I just don't know if I can with someone else in the room."

"I understand," Kim says, "I can occupy myself elsewhere if me being here is a problem. I can also help make this easier and more exciting for you too though- if I stay."

"It is your call, Melissa," you say calmly, "We'll do it however you want to."

"I want..."