Xu Sanming, a young man from Earth, was accidentally involved in an alien experiment. His soul traveled to an alien universe and he woke up as the "most unpopular human being." Faced with alien races of various shapes, thrilling interstellar dungeons, and hilarious crises, he formed alliances with various unfortunate aliens while accidentally becoming the key to peace. The 10 major volumes gradually unfold an adventure chapter that interweaves fiction and reality: from the awkward first acquaintance with aliens, escape, interstellar conference oolongs, disguised fighting matches, to the solution of cosmic mysteries, the cleansing of villains, to the establishment of the "Humanoid Alliance" and the reconciliation of the entire universe. The story is always tightly paced, and each volume has its own climax, tying together a hilarious yet heartwarming journey through the Milky Way.