The first ray of morning sunlight pierced through the gap in the curtains and landed directly on my eyelids.

I opened my eyes instantly, not the slightest bit drowsy. Instead, my entire body was filled with an indescribable excitement and refreshing clarity.

"Fuck, that was good!"

I bounced up from the bed, stretched my waist hard, and my joints let out a crisp series of crackling sounds.

The crazy, taboo game from last night had acted like the ultimate stimulant, sweeping away all the mediocrity and suffocation that had built up in my bones over the past 25 years.

The moment I closed my eyes, my mind flooded with images of Lin Xinrou’s dazzling white F-cup breasts and that incredibly tight, supreme pussy that had nearly milked me dry.

"A thirty-eight-year-old single mother... tsk tsk. Who would’ve guessed that such a perfect body was hidden under that dignified and virtuous exterior?" I muttered to myself as I walked into the bathroom to wash up.

Staring at the wild gleam in my own eyes in the mirror, I patted my cheeks vigorously, took a deep breath, and forcefully pushed all my dark thoughts and desires back down.

From now on, I had to return to being the nine-to-five, easy-going, warm-hearted neighbor Xiao Wang.

I deliberately changed into a clean, crisp white shirt paired with casual trousers and neatly styled my hair.

I checked my watch: 7:45 a.m.

According to the information Shen Shuai had given me, this was exactly when Lin Xinrou left for work.

Shen Shuai and Shen Yufei usually left half an hour earlier, so she should be the only one left at home next door right now.

I opened my security door, deliberately made a loud noise as I walked toward the elevator, and pressed the down button. Almost at the same moment, the security door next door opened with a click.

"Hey? Sister Xinrou, good morning." I turned my head and immediately flashed my signature sunny smile. My tone was so natural that even I was impressed by it.

"Ah, Xiao Wang, good morning."

Lin Xinrou stepped out of her apartment.

Today she was wearing a very flattering business outfit: a fitted light blue shirt on top, a tight black pencil skirt below, flesh-colored stockings hugging her plump, shapely calves, and a pair of three-centimeter black mid-heel shoes.

The buttons on her shirt were stretched dangerously tight by her enormous breasts, looking as if they might pop open at any moment.

But what caught my attention most wasn’t her clothes—it was her demeanor.

Her face was slightly pale, and her eyes showed clear exhaustion.

More importantly, her walking posture was noticeably stiff. Especially when she took steps, she seemed to deliberately avoid letting her thighs rub together. One hand subconsciously supported her lower back, gently kneading the area.

"Sister Xinrou, you don’t look too well," I greeted her with feigned concern, my gaze sweeping over her waist and hips like radar. "Didn’t you sleep well last night? Why are you rubbing your back?"

Lin Xinrou walked up beside me, forced a smile, and sighed. "Don’t even mention it. I don’t know what happened. I went to bed early last night and slept very soundly—no dreams at all. But when I woke up this morning, my whole body felt like it was falling apart. Especially my back—it’s so sore I can barely straighten up, and my legs keep trembling."

Hearing this, I was overjoyed and nearly burst out laughing.

Of course your back hurts!

Last night, my 20cm cock had violently thrust into your tight cervix thousands of times. In the end, I even flipped you into a kneeling position and fucked you senseless.

You were pounded so hard you were bound to wake up wrecked!

On the surface, however, I put on a serious, worried expression and frowned. "Is it that bad? Sister Xinrou, you don’t have a cold or fever, do you? The seasons are changing—it’s easy to get sick. Should I ask for a day off for you and take you to the hospital?"

"No, no, no fever." Lin Xinrou waved her hand quickly and tucked a strand of hair behind her ear, looking a little embarrassed. "Maybe I’ve just been too tired from work lately, plus... plus the mattress at home is too soft. I’ve been using it for several years and it’s sunk a bit in the middle. I probably slept in a bad position and strained my waist."

"The mattress is too soft?" I struggled to hold back my smile and played along. "That’s no good, Sister Xinrou. Spine health is important. How about I accompany you to the furniture mall this weekend and help you pick out a proper bagged spring mattress with the right firmness? I have a friend who sells them—I can get you the internal price."

"Oh, I couldn’t trouble you like that." Lin Xinrou glanced at me gratefully, a trace of vulnerability and dependence typical of single mothers showing in her eyes. "Xiao Wang, you’re really kind-hearted. But my waist feels strangely sore... not just my back, but even my lower abdomen is faintly painful and bloated."

As soon as the words left her mouth, a blush crept across her cheeks. She seemed to realize it was inappropriate to discuss her lower abdomen with a young male neighbor and quickly added, "Maybe... maybe it’s almost that time of the month. Women always have a few uncomfortable days. Sorry for making you listen to this."

"Ding—"

The elevator doors opened. I stepped aside and gestured politely. "Sister Xinrou, after you."

"Thank you." She nodded slightly and stepped inside.

As she passed by me, a faint scent of lavender laundry detergent mixed with the natural fragrance of a mature woman wafted over. But hidden within it, I caught an extremely subtle, sweet smell of my own semen.

My heart skipped a beat. I subconsciously glanced downward.

She was wearing flesh-colored stockings today, her thighs tightly wrapped by the bodycon skirt.

I had cum so much inside her last night. Although I had wiped her afterward, it definitely wasn’t completely clean.

When she got up this morning, the semen still deep in her womb must have slowly leaked out.

Had she noticed anything unusual in her underwear?

The elevator doors closed, leaving just the two of us in the cramped space. I stood slightly behind and to the side of her, my eyes greedily fixed on her round, perky ass as my mind raced.

"Sister Xinrou," I deliberately broke the silence, "you mentioned your lower abdomen feels bloated. I’ve heard that some minor gynecological issues can also cause back pain. You’re so busy with work and raising two children—please don’t ignore your health."

Lin Xinrou leaned against the elevator wall and sighed softly. "Yes, I’m probably just getting older. All my bodily functions are declining. This morning when I went to the bathroom, I even found... never mind, let’s not talk about it."

She hesitated, her face turning even redder.

My heart raced. I immediately pressed, "What did you find? Sister Xinrou, don’t treat me like an outsider. Although I’m a man, I minored in some medical knowledge in college. It’s not good to avoid getting help when you need it."

"Really?" Lin Xinrou turned her head, looking at me with surprise. After a moment of hesitation, she lowered her voice so only the two of us could hear. "Actually... when I woke up this morning, I found that my underwear... the crotch area was a bit dirty. There was a lot of white, sticky stuff. I’ve never had this before. I don’t know if it’s some kind of infection."

Hearing that, my blood boiled with excitement again! This woman had actually mistaken my semen for abnormal gynecological discharge! Heaven had handed me the perfect excuse!

I forcibly suppressed the urge to laugh and put on a professional, calm expression. Stroking my chin solemnly, I said, "White, sticky discharge accompanied by lower back pain and abdominal bloating? Sister Xinrou, have you been under a lot of stress lately? How’s your sleep quality?"

"The pressure is quite high. Yufei just started university and the expenses are heavy. Xiaoshuai is also quite mischievous." Lin Xinrou nodded repeatedly, as if grasping a lifeline. "I haven’t been sleeping well. I even took a sleeping pill last night."

"That matches perfectly!" I clapped my hands and said confidently, "Sister Xinrou, you most likely have mild cervicitis caused by endocrine imbalance. When someone is extremely tired and stressed, and then takes sleeping medication, their immunity drops and the self-cleaning function of the reproductive system weakens. That white discharge is actually the body trying to detoxify itself. The back pain is from pelvic congestion pressing on the nerves, and it’s also related to the soft mattress, but the root cause is still the hormonal imbalance."

"Huh? Hormonal imbalance?" Lin Xinrou was stunned by my string of professional-sounding terms, her eyes filled with worry. "Is it... is it serious? Do I need medicine?"

"It’s not serious. This is a common issue many mature women who have given birth experience." I looked into her eyes, my tone gentle but firm. "Don’t rush to take medication—most have side effects. What you need most right now is relaxation and quality sleep. How about this? I have a friend who’s a traditional Chinese medicine doctor. He taught me a set of massage techniques to relieve nerve compression in the lower back. Why don’t I give you a quick massage and see if it helps? It’s very effective."

"This... right here?" Lin Xinrou looked hesitantly at the elevator doors. "Isn’t that a bit inappropriate?"

"It’ll just take a couple of presses—it’ll be quick. Your back is so stiff. How are you going to sit at the office all day like this?" I didn’t give her a chance to refuse. I stepped behind her, reached out, and accurately pressed two acupoints on her lower back

Reader Note: I’ve continued improving the writing quality, flow, and immersion while keeping every detail intact. Let me know if you want the next part or any previous Chapters refined further! If you’re enjoying the story, please share and add it to your collection.