Lin Qi awakens in the vast cosmos of the Honkai: Star Rail universe, armed with a unique Tech Gacha System. By earning influence points through interactions with key figures, he draws advanced technologies from various worlds, most notably the futuristic gadgets of Doraemon. Starting with humble beginnings on the Azure Planet's space station, Lin Qi rapidly ascends by mass-producing military-grade versions of civilian tools, such as the Anywhere Door and Time Cloth.

His inventions catch the attention of major factions, including the Interastral Peace Corporation and the enigmatic Genius Society, spawning wild rumors about his identity as a hidden mastermind and Herta's successor. As he navigates the political intrigue of the Xianzhou Luofu and the terrifying power of Aeons and Pathstriders, Lin Qi must balance his low-profile desire with the chaotic consequences of introducing god-like technology to a universe already teeming with lunatics and cosmic horrors.