Sinful Mother - Cover

Sinful Mother

Copyright© 2026 by Satya69

Chapter 4

Erotica Sex Story: Chapter 4 - I'm Zihan, the model student: top of my class, class monitor, and a "good boy" in every sense of the word. My life is a straight-A report card, my only failing grade being my crippling timidity around girls. That was until Sam transferred into my school and, by some twist of fate, became my desk mate and a guest in my home. Sam is my complete opposite—confident, and effortlessly at ease with everyone, especially women. Under his wing, I start to shed my awkwardness

Caution: This Erotica Sex Story contains strong sexual content, including Ma/Fa   Blackmail   Coercion   Consensual   Drunk/Drugged   NonConsensual   Reluctant   Romantic   Slavery   Heterosexual   True Story   Mystery   School   Workplace   Cheating   Cuckold   Sharing   Slut Wife   Incest   Mother   Son   Rough   Harem   Orgy   Anal Sex   Analingus   Cream Pie   Double Penetration   Exhibitionism   First   Facial   Massage   Masturbation   Oral Sex   Petting   Safe Sex   Sex Toys   Squirting   Tit-Fucking   Voyeurism   Big Breasts   Foot Fetish   Leg Fetish   Public Sex   Size   Teacher/Student  

“The great river flows eastward...” A vibration and ringing from beneath my pillow jolted me awake from my sleep. I frowned in discomfort, reached out, and turned off the alarm on my phone.

It was already seven in the morning. As usual, I propped myself up, planning to shake off the drowsiness before getting dressed.

Glancing down at the lower bunk, I intended to wake Sam up for morning self-study at school. Instead, I saw the light gray thin blanket covering him kicked aside by his feet, leaving him completely naked. Looking further down, his thick, long penis lay limp against his lower abdomen. A piece of white fabric was tucked under his butt—the white underwear he had worn after showering last night.

Was Sam sleeping naked?

Perhaps, unable to adjust to the time difference after arriving in Linhai City from South Africa, Sam had stayed awake late into the night. While I was deep asleep, he might have taken off his underwear for some relief and finally drifted off peacefully.

Though we were both just sixteen-year-old boys, his sudden habit of sleeping naked made me somewhat uncomfortable.

Watching his steady breathing, I felt a bit annoyed. After all, this was my home, and I thought Sam was being a bit too casual.

“Sam, get up for morning self-study, or we’ll be late,” I said, seeing him sound asleep. I quickly called out to wake him. “Ah, Zihan, are we late?” Sam opened his eyes wide, sat up straight, and looked panicked. His reaction satisfied me.

“Not yet, but you will be if you keep sleeping,” I replied, looking at him. “Oh, sorry, Zihan. I couldn’t sleep last night. Did I disturb you?” Sam bent down, picked up the white underwear from under the bed, and casually put it back on. “No, it’s fine. But, Sam, do you usually sleep naked?” I stood up and started getting dressed. “Sleep naked? You mean without clothes? I always sleep without clothes at home. I can’t fall asleep if I’m wearing anything,” Sam said, now fully dressed, his big eyes looking at me. “Sam, in China, especially at home, boys are expected to wear underwear when sleeping. It’s fine if I see it, but if my mom catches you naked in the house, well...” I smirked at him. “Ah, Mom! Okay, Zihan, I understand. I won’t do it again,” Sam said, looking terrified at the mention of my mom, speeding up as he dressed. “Haha, yeah. You should look up Chinese etiquette online more often, or you’ll have a hard time with my mom,” I chuckled, opening the bedroom door and heading to the bathroom with Sam to wash up. “Okay, Zihan. I’ll learn Chinese etiquette well so Mom will like me,” Sam said, clenching his fists, looking as if he had been successfully brainwashed.

After washing up, we both shouldered our backpacks and headed toward the neighborhood gate. Along the way, people occasionally glanced at Sam, who didn’t seem embarrassed at all. He grinned and waved his dark, shiny hand at anyone who looked his way, young or old.

I followed him all the way to school. The stares made me uncomfortable, but Sam seemed to enjoy it, happily chatting with me about this and that, occasionally blurting out, “Hello everyone, I love China!”—making my lips twitch and leaving me utterly embarrassed.

After buying steamed buns and soy milk, I arrived at the classroom. Sam and I finished our breakfast and began our morning self-study session. When Zhang Min came to check on the class, she stood on the podium, a faint smile lingering at the corner of her mouth. She looked at Sam and me with satisfaction. “Teacher Zhang, I have a question for you,” Sam said, noticing Zhang Min’s gaze and surprisingly striking up a conversation with her.

“What is it, Sam?” Zhang Min walked over to us, smiling.

“In China, is it okay to hug girls? In South Africa, it’s fine, but yesterday Zihan’s mom said it doesn’t align with Chinese etiquette.”

Sam spoke earnestly, gesturing animatedly with his dark hands.

“Sam, in China, you really shouldn’t hug girls randomly. Also, Sam, during class in China, don’t ask questions unrelated to the textbook.” Zhang Min’s smile remained on her face.

Today, Zhang Min was wearing a long-sleeved white blouse, paired with a flesh-toned bodycon skirt that revealed her fair thighs in full view. On her feet were a pair of white canvas shoes. Beautiful, youthful, and vibrant, she didn’t look like the strict homeroom teacher of the key class at Linhai No. 1 High School’s senior division. Instead, she gave me the impression of being quite gentle.

“Okay, thank you, teacher. You look really beautiful today!” Sam flashed a gentlemanly smile as he looked at the homeroom teacher. “Um ... let’s get back to self-study,” Zhang Min awkwardly walked toward the back of the classroom.

“Giggle, giggle...” I heard the class monitor, Li Xiaojun, laughing softly behind me.

“Zihan, did I say something wrong?” Sam grinned and looked at me. “No, let’s focus on self-study,” I replied, worried that Teacher Zhang might get angry if she saw us still talking.

Sam glanced back at Zhang Min and then winked at the class monitor.

The last class of the afternoon was physical education. I was playing badminton with my classmates, while Sam said he preferred basketball and joined the boys playing on the basketball court.

Laughter echoed from the basketball court, drawing me over.

On the court, it turned out everyone was amazed by Sam’s basketball skills.

The seemingly clumsy Sam deftly maneuvered past the boys defending him, executed a three-step layup, and sent the basketball swishing through the hoop with a “clang.”

Sam’s astonishing jumping ability left the surrounding students in awe. The boys in our class who played basketball gave him thumbs-up and exclaimed, “Awesome, Sam!”

I couldn’t help but feel a twinge of envy. How great it would be if I could move as freely on the basketball court as Sam did. The girls nearby would surely scream in excitement for me.

After finishing his game, Sam came over to me. The school bell had rung more than ten minutes earlier.

“Zihan, that was so satisfying. I haven’t played basketball in a long time,” Sam said, covered in sweat. “You’re amazing, Sam,” I replied. “Hahaha, Zihan, back in South Africa, I was the captain of my class basketball team. Basketball is a piece of cake for me,” Sam boasted without hesitation, though whether he was exaggerating was anyone’s guess.

“Hehe, awesome, awesome,” I could only let him keep showing off.

“Wait for me to wash my face, then we can head home,” Sam said before running off to the washbasin.

I had no choice but to wait for him there.

After a few minutes, when he still hadn’t returned, I grew curious and went to the washbasin area. There, I saw Sam chatting and laughing with a group of girls. Fortunately, Li Xiaojun wasn’t among them.

“Zihan, you’re here. These girls are friends I just met,” Sam said, spreading his two big dark hands and grinning widely as he saw me approaching. “Haha, are you all cleaned up? If you go home late, your mom will scold you.” I had originally wanted to follow Sam and get to know those girls from other classes, but the thought of my mom made me feel that going home was more important.

“Mom? Oh right, beauties, I’m heading home now. Let’s hang out another time,” Sam kissed his dark claws and bid farewell to those well-developed girls in their school uniforms.

“Giggle ... okay, goodbye,” Sam’s comical appearance made the girls laugh, their bun-sized chests gently swaying inside their white summer school uniforms.

We arrived at the school gate, having already missed the earliest bus home. It was now the evening rush hour, and we would have to wait over ten minutes for the next No. 2 bus to possibly arrive.

“It’s over, Sam. We’re going to get scolded when we get back,” I said with a grimace. “It’s fine, Zihan. I’ll apologize to my mom when I get back. Don’t worry,” Sam slung his arm over my shoulder, acting carefree. It seemed he still didn’t understand how strict my mom could be.

“Alright,” but there was no other solution at the moment.

“Zihan, Sam, haven’t you gone home yet?” A clear voice came from behind us. We both turned to look—it was our class monitor, Li Xiaojun. “Oh, monitor, I’m so glad to see you. Zihan and I missed our bus home,” Sam said, walking over to her with open arms as he explained. “Is that so? It’s fine, it’ll come in a little while,” Li Xiaojun smiled at Sam and walked over to me. “Monitor, why are you out so late?” I looked at Li Xiaojun. The weather was still a bit stuffy today. She was wearing her summer school uniform, with two small buns pushing against the pure white fabric, creating slight protrusions. Paired with her delicate face and glasses perched on her tall nose, she looked both cute and elegant.

“I was on duty today. Are the two of you getting used to living together?” Li Xiaojun looked at Sam and me. “Of course, monitor. Zihan and I are practically sharing the same pair of underwear,” Sam said, widening his eyes as he looked at Li Xiaojun. “Giggle, that’s...” Li Xiaojun blushed slightly. “Um ... Sam, we shouldn’t talk like that in front of girls,” I said to Sam. “Ah, sorry, monitor. What I meant was that Zihan and I get along really well. We’re good brothers,” Sam explained. “Giggle, I know. Well, I’ll be off now. See you tomorrow, bye,” the bus heading to Li Xiaojun’s home arrived at the stop. She waved to us and boarded the bus.

“Bye,” Sam stared as Li Xiaojun got on the bus. “Zihan, the monitor has a nice figure, and her skin is so fair,” Sam said to me after the bus drove off. “Um ... yeah,” I thought. Don’t I already know that? This guy actually said it out loud.

“Zihan, I think you should become friends with the monitor. Then you could play ‘grown-up games’ with her,” Sam said, his eyes gleaming. “Um...” I was utterly embarrassed.

Although I had advanced to the first year of high school and was interested in pretty girls, I spent most of my time studying and only played a little games in my free time. I didn’t really understand the so-called “grown-up games.” It seemed I needed to fill in the gaps in my knowledge when I had the time.

“Hehe, my girlfriend in Cape Town often plays adult games. Once when we were playing at her place, her dad suddenly came home and we had to hide under the bed. It was both scary and thrilling.”

Sam patted his chest with lingering fear, looking genuinely excited.

“Haha, Sam, you keep saying you and your girlfriend play adult games. What exactly are adult games?” I asked Sam. “Hmm ... you don’t know, Zihan? Well, it seems your mom is too strict with you,” Sam looked at me with pity in his eyes. “Uh ... I guess so. Never mind, the bus is here. Let’s head home first, or Mom will scold us to death.” While talking to Sam, the No. 2 bus pulled up to the platform.

“Alright, don’t worry. I’ll explain it to Mom. I believe she’s a reasonable and good mother.” Sam widened his eyes, his pinkish-white lips curving into a confident smile like sausages.

The road home was a bit congested, and it took us nearly thirty minutes to finally reach the entrance of our neighborhood.

Arriving at the door, I took out the key and unlocked it. As we entered, Mom was sitting on the living room sofa with her legs crossed.

What caught my eye first were her fair, long legs. Her feet, clad in black bow-strap flip-flops, revealed ten delicate and noticeably tender toes. Her long hair was neatly tied back, her eyebrows meticulously shaped, and beneath her double eyelids were a pair of large, bright eyes. Below her fair, high-bridged nose were rosy lips.

 
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