Liu Yunyan insisted on giving her eyebrow pencil to Xi Xi... Xi Xi naturally declined.

Even at the very end, Liu Yunyan kept pushing the product, saying, "Although I've been using this eyebrow pencil for over a year, it's really smooth, look!"

Xi Xi: "..." It's a pity they don't do live-streaming e-commerce for beauty products.

Xi Xi: "Next time for sure, next time for sure."

Having finally gotten away, she pondered for a moment, then opened the private message window of Cheng Xu, with whom she had previously traded gasoline and a military overcoat, and mechanically repeated, "Do you have a pen?"

After a short wait, a reply came quickly from the other end: "Yes, Sister Xi! What kind of pen do you need? I happen to need a light source, would you like to exchange it?"

Xi Xi (Ji): "I have lighting, what kind of pen do you have?" Xi Xi was a little scared, what if she just pushed out an eyebrow pencil and then got an eyeliner?

Cheng Xu (Ping): "Let me see... I have 0.5mm black pens, 0.5mm red pens, 2B marking pens, pencils, and lead. Which one do you need?"

Upon receiving the reply, Xi Xi paused for a moment, then a meaningful smile appeared on her lips. She was about to say something, but then swallowed it back, thoughtfully taking a sip of hot water from the thermos, and then asked, "That's all? Do you have a fountain pen in your pencil case?"

Cheng Xu (Ping): "No, really. Who uses a fountain pen these days? It's such a hassle! Sis, ballpoint pens are very durable! The refills are brand new!"

Xi Xi laughed. She found it amusing that he had gotten so much information out of him so easily.

Xi Xi (Ji): "Cheng Xu, are you a student?"

As Xi Xi had expected, a brief silence followed when these words were uttered.

Then, the other party became visibly anxious and sent several messages in quick succession, seemingly eager to prove their innocence.

Cheng Xu (Ping): "How could that be, sister? You're joking. I'm already 30!"

Cheng Xu (Ping): "This pencil case belongs to my son; he left it with me when he went to school!"

Xi Xi laughed even harder. She had a son at 30, a son who didn't have a fountain pen but had a 2B marking pen. How old was the child? Those who know, know.

Xi Xi guessed that Cheng Xu was probably a student who had passed his driving test early. Only a kid of that age would naively think that 30 years old meant he was a mature adult.

Xi Xi (Ji): "Oh, I see. Well, never mind then. I originally thought you were a student and wanted to give you a better lamp so you could read or something when you have free time..."

"Since you're already 30, older than me! Brother Cheng, how about I trade you my flashlight? I'll keep the bulb for myself! I'm really afraid of the dark."

Cheng Xu (Ping): "No, no, sis! To be honest, I am indeed a student!"

Xi Xi couldn't help but laugh out loud, then pretended to be angry and replied to Cheng Xu, "Nonsense! You just said you were 30 years old!"

After waiting for a while without receiving a reply, Xi Xi, having nothing else to do, opened the package of toiletries she had obtained through the transaction that day.

The tightly wrapped waterproof bag was slowly opened, revealing neatly arranged cleaning supplies such as toothpaste, toothbrush, facial cleanser, and shower gel.

Xi Xi gently picked up a brand new toothbrush and carefully examined the softness of the bristles and the shape of the brush head.

Cheng Xuping: "Screenshot from a Light Screen"

Cheng Xu (Ping): "Sister, I really didn't lie to you!"

Cheng Xu (Ping): "I really only sent this to you, don't tell anyone else! From now on, you're my only sister!"

Upon seeing these words, Xi Xi, who had just finished brushing her teeth, coughed a few times, put away her mouthwash cup, and opened the photo sent by Cheng Xu with a face full of black lines—it was a student ID card.

Looking at the enrollment date, wow, he's a freshman who just enrolled this year. That means Cheng Xu is only 18 or 19 years old...

No wonder Xi Xi always felt uncomfortable with Cheng Xu's way of speaking, but upon closer inspection, she couldn't detect any malice. Now she understood everything.

It turns out that a child was pretending to be an adult, speaking in a way that was completely out of place for his age. He was trying too hard to be profound, which is why there was such a strong sense of incongruity.

And so, Xi Xi and Cheng Xu completed their transaction once again. She traded a USB emergency light, which she had previously purchased at a convenience store, for a ballpoint pen, a pencil, and two pencil leads from Cheng Xu.

Since the car lighting talisman was already in use, the USB light was no longer needed. Xi Xi didn't feel any reluctance and readily gave it to Cheng Xu.

Cheng Xu (Ping): "Sister, can I ask you where you got this lamp? You have both a lamp and a flashlight?"

"Of course, I got it from the game," Xi Xi said vaguely, examining the pen she had just received.

Yes, I got it from a convenience store.

Cheng Xu (Ping): "Oh, sister, there's another question."

Xi Xi (吉): "Say."

Cheng Xu (Ping): "What do you need a pen for?"

Xi Xi (Ji): "What else can a pen be used for?"

Cheng Xu (Ping): "Sister, I understand, thank you!!"

What did she understand? She didn't understand anything.

It was just something I made up on the spur of the moment. Xi Xi looked up at the private message window with suspicion.

Whatever, Xi Xi was too lazy to ask any further questions anyway. She turned off the light screen and took out the diary she had exchanged with Liu Yunyan yesterday.

Xi Xi gently opened the brand-new diary, picked up a pen, and prepared to start practicing.

She first turned her gaze to the inside of the car, carefully observing everything around her: the windows, seats, workbench, lucky cat figurine... Then she carefully picked up her pen and began to sketch the general outlines of these items stroke by stroke.

"I'll draw this lucky cat first!" Xi Xi thought to herself, and drew a circle on the paper. "..."

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