Immoral offer from classmate

Kathrin and I were actually completely normal friends. We had math, German and sports together at school. One day it happened during PE class. We were playing table tennis, but since our school didn’t have enough tables and there were 28 of us in the PE class, we always had to take a break. So I had a break and went to the relaxation room to lie down on the mats. As I was lying there, I just let my thoughts wander a bit. At some point I remembered that I hadn’t had sex in ages and I thought about the sex with my girlfriend at the time. I noticed how my penis was slowly getting stiff but I didn’t care because I was alone in the relaxation room. Suddenly I heard someone come into the room and I turned around so that no one could see the bulge in my pants.

Kathrin, my classmate, was now standing in the room with me. As she stood there, I looked her over and noticed how pretty and sweet she was. Just the sight of her made my cock grow even more. Kathrin was a young girl of 18. She was about half a head shorter than me and had long blonde hair, which had fascinated me since our first meeting. The rest of her body was slim and she had long, thin legs, which were very noticeable in her short sports pants. OK, actually her sports pants were hot pants with a different material. The pants were probably a bit small, because you could see her small, tight ass very clearly in them. Whether it was coincidence or intentional I never found out, but she bent over with her legs stretched out to get something from the closet and I just couldn’t take my eyes off her hot little ass.

When she turned around, she must have noticed my gaze and came towards me. As she came over to me, I looked at the rest of her body. She was wearing a small gray top with spaghetti straps, which only covered her from her chest to her belly button. Basically, she was showing more skin than clothes today. This was actually quite unusual. My gaze wandered to her chest and I noticed that she wasn’t wearing a bra. First of all, I like small tits that I can easily hold in my hand. Her small breasts stretched the too-tight T-shirt and I could see her small, pointy tits very well and her hard nipples stood out. My penis grew at the sight and I hoped that Kathrin didn’t see it. When Kathrin got to me, she lay down next to me on the mat. And we started talking.

We talked about how school was going, a bit about the latest gossip, who was with whom and so on, and then at some point we got to PE class. Kathrin said: “Wow, things are going really badly today. It’s sweltering hot here in the relaxation room and Mr. Müller is really going to work me hard today. I keep making stupid comments like: bend your knees and do more leg work.” I don’t know if Kathrin noticed, but her ambiguous descriptions made my cock grow again. I had to think about Kathrin bending over the ping pong table and her small tits coming out. But then Kathrin went one step further: “And because it’s so hot in here, I’m sweating all over, I’m really wet all over.” She sat up and sat down next to me. And I caught a glimpse of her sports hot pants.

She really hadn’t exaggerated; there were wet spots even on her pants. Even in an area right between her legs. I quickly looked away. Then I noticed that Kathrin hadn’t said anything recently and I had a bad feeling. While we were lying there, she couldn’t see my erect penis because I was turning it away, but now that she was sitting, she could see the entire bulge and I noticed her gaze going right between my legs. Then something happened that I hadn’t expected. Instead of saying anything or walking away, she crawled over me and squatted on all fours over me and leaned down to my ear. “Oh, your boyfriend is awake and I’m really wet all over – from both sides, don’t you want to take a quick ride?” “What do you mean?” I answered, totally shocked by the immoral offer.

“Just as I said. Behind the mat cart and the boxes we are actually protected from annoying glances and if we put a mat on the floor, we can get started.” Pleased by so much openness, I quickly laid the mat on the floor between the mat cart and the boxes out of prying eyes. We both quickly undressed on the mat. I was delighted by her body and especially by her completely shaved pussy. Her labia were small and glistened with moisture. Kathrin ordered me to lie down and I obeyed her. But Kathrin had other plans. First she took my large member in her hand and then put it in her mouth. She nibbled lightly on my balls with her teeth and licked them too. After a few minutes in heaven, I could no longer hold back my orgasm and squirted my entire load into her mouth.

I had never seen so much of my load before. Her entire mouth was full and some of it landed on her face and her small tits. She swallowed it all willingly and then sucked the last bit from my penis. And then it really started. She sat down so that she could slowly go down and slide my penis into her pussy. Normally I would have had problems penetrating such a tight pussy, but because she was so wet that it was dripping slightly, I slipped into her. She started slowly but firmly so that I could penetrate her deeply. Then she got fast and then slow again. At some point in one of the slow phases she moaned loudly and her whole body began to pulsate and shake slightly. She moaned more and more and at some point I noticed something running down my cock.

The second time she came was when someone came into the rest room. And she had a hard time suppressing her moans. When the person left the room, she moaned so loudly that I was afraid someone had heard her, but luckily no one came. After a few minutes of slow, firm thrusts, I couldn’t hold it back any longer. I told her that I was about to come, but Kathrin wanted me to squirt everything into her. So I did. My sperm left my cock and I could literally feel it filling her. She said how warm my sperm was and how nice the sex was. I still wasn’t completely satisfied, so I got down on my knees and positioned Kathrin in front of me so that I could do it to her ass. I noticed that sperm was still dripping from her pussy, but I didn’t care.

I slowly inserted my still very erect cock into Kathrin’s ass. It was even tighter than her pussy, but I didn’t mind. I heard Kathrin let out a strangled scream as I started to move. At some point I had stretched her ass so wide that my whole cock could fit inside her. Every time I pushed it in all the way, she whimpered loudly. After a few minutes of whimpering from her and moaning from me, I released my white juice into her. As it squirted into her, she moaned with delight. So she lay there with my sperm still dripping from her pussy and ass. Her face was still sticky from my first load. I leaned down to her and she whispered in my ear: “That was awesome, tomorrow after school at my place, I have the house to myself and then I want to have another hot ass fuck from you.”

We lay there naked for the rest of the hour. We hadn’t been noticed and no one had looked for us, although I thought I felt a few eyes on me as I changed.

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