Chasing Stars Across the Universe

Earth is assimilated by an unknown substance known as Blackstone, and civilization vanishes in an instant. A high school boy is rescued by a cosmic organization that his missing sister once belonged to. Faced with the state of Earth, he has no choice but to venture into the vast, frigid cosmos.

Traveling with alien members of other species, the protagonist ventures through the universe with substances and technologies humanity has never encountered. The mystery behind his sister's disappearance, all kinds of mysterious technologies and powers, conflicts and clashes born of competing interests across the universe, and the power struggles among various interstellar organizations all await him...

Together with his fellow crew members, a young man embarks on a cosmic expedition to uncover the truth, expand their understanding, save their home planet, and seek answers.