Double Transmigration to Slay the Gods and Lord of the Mysteries: I Am Lucifer Chenhui

After graduating high school, an ordinary young man takes a job, only to be tricked by the System into transmigrating to another world. By the time he realizes he’s been conned, it’s already too late to back out. He lands in Cangnan City with no special abilities and no official identity. Just surviving is a problem. Fortunately, even a useless System isn’t completely useless. He hitches a ride with Lin Qiye and earns the approval of the Night Celestial Venerable within him, winning himself a room of his own in the hospital. But things go from bad to worse: he hitches a ride a little too hard, and his energy pierces the barrier between worlds, attracting the consciousness of the Mysterious Realm. Now he has to moonlight there, too. And so the protagonist ends up shuttling back and forth between the worlds of Slay the Gods and The Mysterious Realm, beginning a gloriously showy (and miserable) double-shift work life.