I live in the Martian wilderness!

Thirty minutes later

A highly condensed action plan appeared before Gu Yu:

Mission Objective: Reach the coordinates of the "Zhurong" and transport it intact back to Oasis One Shelter.

[Core Vehicle: Tissot Multi-functional Engineering Vehicle.]

[Estimated total time: Approximately 3-4 Martian days.]

"Very good." Gu Yu nodded.

Immediately afterwards, Xuanjian's clear voice rang out again. This time, instead of waiting for instructions, she took the initiative to present a detailed logistical plan.

"Captain, based on the expedition risk assessment model, I have generated and approved the final supplies list for you."

The list on the screen started scrolling.

"First, there are survival resources. Although the mission is expected to take three days, I have increased your standard nutritional paste and dehydrated food to a six-day supply, and provided ten liters of emergency water."

"The reason is that at least 48 hours of survival redundancy must be reserved for possible mechanical failures or sudden sandstorms."

"Secondly, there are engineering materials. I have included all the repair components, high-strength alloy plates, and spare circuits from the tool kit in the loading plan."

"Your Xuanjia combat suit will be powered directly through the internal interface of the Tissot throughout the entire process, eliminating the need to carry heavy spare battery packs."

"Okay, equipment self-check complete." Gu Yu stood up, preparing to shut down the system.

"Captain, it seems you've overlooked the most crucial link," Xuan Jian's voice suddenly rang out. "Please don't forget the 'Life Support Component'."

As the beep sounded, the bottom drawer of the equipment cabinet popped open.

Inside lay a pair of silver-gray boxer briefs, with a small black metal box attached to the side.

Gu Yu looked at it, a self-deprecating smile playing on his lips: "Heh, that's true. If I forgot about this, I'd have to wet my pants in the wild."

He reached out and picked up the seemingly weightless fabric, feeling a strange sensation on his fingertips—it was as smooth as silk, yet had a metallic coolness.

Who would have thought that this thin layer of fabric would be one of the biggest breakthroughs in materials science after 2025?

Back then, scientists racked their brains to solve the problems of astronauts' convenience during extravehicular activities and reproductive protection.

The earliest method was diapers, then tubes, and later, lead plates weighing several kilograms were hung up to protect against radiation... Every generation of astronauts has a history of blood and tears.

Until 2023, the mass production problem of boron hydride nitrogen nanotubes was solved, allowing mankind to completely say goodbye to the heavy history of "hanging lead plates between the legs".

Gu Yu skillfully put on the individual physiological support system codenamed "H-WZ-06".

There is no discomfort at all. The internally pre-installed "medical-grade shape memory drainage pad" undergoes microscopic deformation the moment it comes into contact with body temperature, perfectly conforming to the physiological structure.

Xuanjian's voice rang out, carrying a hint of rigid procedurality: "Captain, according to the 'Regulations for Operations on the Surface of Extraterrestrial Bodies,' please conduct a full-process functional stress test."

Gu Yu paused, his hand still fastening his belt. "Now?"

"Yes, please drink 500 ml of drinking water now and wait 30 minutes. Then, put on the full set of armor and conduct an excretion test in the Martian environment."

Xuanjian added in a serious tone, "It's better to wet your pants at home than to have some other accident on the Martian wasteland."

The AI ​​logic is flawless.

……

Thirty minutes later.

As the airlock's outer door opened, Gu Yu stepped into the Martian night.

The -85 degree Celsius wind lashed against the Xuanjia combat suit, which automatically activated its constant temperature system.

The physiological signals have reached a critical point.

"Captain, your bladder pressure has reached the warning level. We recommend immediate testing."

"Alright, alright, Xuan, I know. Can you rest for a bit and shut up now?"

Gu Yu took a deep breath, closed his eyes, gritted his teeth, and released the gate.

The expected discomfort of the warm liquid flowing over the skin did not occur.

In the milliseconds following the discharge of the liquid, the superhydrophilic micro-nano coating inside the pad exhibits its dominant physical properties.

Before the liquid could even stay on the skin, it was instantly "pulled" into the drainage tube by the huge surface tension, and rapidly flowed into the flexible reservoir on the outside of the left leg along the microfluidic channel.

The entire process was dry, and I didn't even feel a trace of heat.

"Mysterious, the diversion was successful, with no side leakage and no backflow."

Gu Yu took the black "portable negative pressure transfer pump" from his waist and attached it to the magnetic interface under the armor on the outside of his left thigh.

"Smack."

Magnetic guidance ensures a perfect fit.

"Sizzle—"

The motor made a soft sound for a second, and then the green light came on.

A crisp "glug" sound as the air was sucked away.

Simple, direct, and efficient.

Gu Yu was very satisfied with the thin, cicada-wing-like boxer briefs, which not only blocked 92% of the deadly radiation to protect his sperm, but also eliminated physiological problems with technology.

"Technology changes lives..." he exclaimed, hanging the transfer pump back on his waist and turning to walk back into the warm command cabin.

"Test passed. Xuan, set the alarm. We'll depart on time at sunrise tomorrow morning."

The command center was deathly silent.

There was only the low-frequency hum of the equipment running, not that familiar, always-responsive sound.

Gu Yu paused for a moment, then subconsciously glanced at the communication panel. The signal was full and the processor load was normal.

"Mysterious? Please reply upon receipt."

Still silent.

"System fault self-check." Gu Yu frowned, his hand already reaching for the forced restart button.

"System operating normally, Captain. No restart required." Finally, Xuanjian's voice rang out.

"Then why didn't you reply?"

"According to the system log, four minutes ago, you issued the highest priority voice command 'Shut up'."

Xuanjian's voice still retained that unique, clear, girlish tone, but now it carried a subtle, stiff quality, as if she had suffered a great injustice.

"As an auxiliary AI, I am strictly following your command—to remain silent so as not to disturb your precious mental preparation."

Gu Yu chuckled to himself. He remembered that he had shouted it offhand when he was in the most embarrassing moment because he couldn't pee.

Unexpectedly, Xuanjian took this angry remark as a "top tactical order" and carried it out.

Gu Yu softened his tone, "Xuan...you know, in those awkward moments, humans always need a little privacy, even when facing AI."

He added very seriously, "I'm sorry, Xuan. I shouldn't have yelled at you just now."

[Instructions updated, silence lifted.]

"??? I haven't said anything yet... Never mind..."

"Also, Xuan... did you sneak some strange logic module into your voice pack? Your tone just now sounded..."

Gu Yu carefully considered his words: "...like a girl who is sulking."

The air in the cockpit was silent for half a second.

The blue sound wave line on the screen, which had been moving steadily, suddenly trembled and then returned to normal.

"negative."

Xuanjian answered decisively, speaking 0.05 seconds faster than the standard mode.

"Captain, please correct your understanding. Artificial intelligence does not have an edge system, does not have a dopamine secretion mechanism, and is even less able to understand the inefficient biochemical reaction of 'anger'."

"All my responses are based on the deduction of optimal tactical logic."

This explanation is logically sound and unassailable.

But Gu Yu clearly heard that at the end of that absolutely rational explanation, the originally smooth girlish voice, and in a very human way, softly "hummed".