The Ethiopian Pilgrimage summary:
During the year 2028, humans are practically wiped out by a plague of mutated viruses. Horrible monsters are wandering on the streets, and now Earth has turned into Hell . The lucky very few survivors hid underground, living in a subway network that is easy to guard, but the protagonist and his team had no choice but to leave the safe dungeon to escape this wasteland… Trace of Doomsday / 厄世轨迹, Ershi Locus, Ethiopian Trajectory, The Ethiopian Pilgrimage