Tian Rui Shuo Fu

Payload specialist, Tang Yue, who is a mechanical and electrical engineer by training, is left stranded on Mars when he receives news from his AI robot assistant, Tomcat, that Earth has exploded. He believes himself to be the last human in the Universe.
Turns out, he is only the last man in the Universe. Botanist, Mai Dong, had been left on the United Space Station (USS) orbiting Mars, to await Tang Yue's ascent to the USS before they make their journey back to Earth. But now, it's impossible.
Join the trio's quest for survival as they attempt to unravel the mystery of Earth's disappearance.

Dead on Mars

CKtalon

"Airtight seal is working fine. Internal pressure, 42 kPa."

Tang Yue turned the seal on his wrist as it produced a light click. The glove was locked in place, indicated by a green light.

"HUT fully operational. Shoulder joints a-okay. Elbow joints a-okay. Wrist joints a-okay. Lower limb joints a-okay. LTA fully operational.

"Life support system a-okay. Liquid cooling a-okay. Average heat dissipation, 300W. Internal temperature 22°C. Oxygen circulation at 17 l/min."

Tang Yue tapped the control terminal on the back of his hand as the glass visor reflected figures that rapidly changed. Tang Yue reported them as they flashed past.

"CCA a-okay. Communications a-okay."

He reached out his hand and pressed the opening button on the airlock hatch. A soft fan whirred into action as the airlock pressure began rising. Finally, it was in equilibrium with the Hab.

Sol Three Hundred and Thirty-Four, Goodbye, Kunlun Station