You Are the Universe

The story takes place in the near future. Andrij Meľnyk, a solitary and taciturn man, transports nuclear waste aboard a space vessel to one of Jupiter's moons. His only companion is the onboard computer Maxim. During a routine flight, Earth suddenly explodes for unknown reasons, and he is the only human to survive.

He desperately searches for other survivors until he unexpectedly hears from Catherine at a French space station. Andrij decides to find her at any cost, but there is a catch.