Sign in to Xinghai: From Earth Social Animal to Cosmic Overlord

Interstellar travel, a sign-in system, and a satisfying underdog story—the protagonist, Liu Sheng, was originally an ordinary 996 programmer on Earth. Due to excessive overtime work, he unexpectedly transmigrated to the interstellar era, becoming a destitute heir abandoned by his family on a remote planet. In a life-or-death crisis, he was bound to the [Interstellar Sign-in System]. By signing in at various unique interstellar environments, he could gain superpowers and rare resources. Initially being hunted, he signed in on a desolate planet, gaining "Basic Combat Mastery" and "Basic Physical Enhancement," successfully turning the tables on his enemies. Later, signing in at a mysterious ruin yielded "Ancient Civilization Technology Analysis," allowing him to use his knowledge to solve interstellar puzzles and achieve a remarkable comeback. From a despised Earth transmigrator to a dominant force in the galaxy, Fang Yu, with the wisdom of Earthlings and the system's assistance, writes a legend on the interstellar stage.