Slashing Through the Starsea Begins with a Contract of Servitude

In 20XX, extraterrestrial civilizations arrived on Earth, and human civilization officially entered the interstellar age. Countless people were hired or chose to become interstellar mercenaries and venture into the sea of stars. To save his family from falling apart, Mo Yu has no choice but to sign away his freedom and become a cleaner for the Cosmic Star Alliance, setting out to deal with the universe's messes. Dragons, beastfolk, the uncanny, Cthulhu... Countless enemies stand in Mo Yu's way, but for the sake of freedom and survival, he faces them head-on, all so he can go home. “Hey, chovy, give me the protagonist treatment, will you? Who starts out as a cleaner?” Mo Yu said. orz.