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

Tomcat's methods were always that straightforward, one that reached straight to the heart.

The first line in the Kunlun Station Earthquake Mitigation and Disaster Preparation Guide in Tang Yue's hand was surprisingly about dismantling Kunlun Station.

"None of Kunlun Station will survive the earthquake. We have no way of ensuring the airtight seal of the Hab. Once any ripping happens, fixing it will be very troublesome." Tomcat pointed at the ceiling above them. "If Kunlun Station were to lose its seal, it's hard to tell how much longer we would survive."

"I think Kunlun Station wouldn't only be the one being ripped apart. We would as well."

Sol Two Hundred and Eighty-Two, The Way to Keep Kunlun Station Safe