Life Simulation: I Became Their Inner Demon by Escaping to Death

A boy in a wheelchair is bound to a life simulation system and relies on "death escape" to leave legends in countless worlds! The martial arts noble girl has been silent for half her life because of him, and the doomsday girl has been crazy for him for half her life. He was a passer-by in their lives, but he has become a lingering inner demon. [In the first simulation, you travel through the world of martial arts, return to the north with your soul, and become the only son of General Zhenbei. [It happened that the general of the neighboring government was delighted to have his daughter, and the two families became friends. [Since then, childhood sweethearts have grown up together] [You have no martial arts skills but are extremely resourceful, while she is a century-old prodigy who shows off her sharp edge] [The young man clapped his hands enthusiastically, and the two of them determined to defend the northern border together] [When she was thirteen years old, her parents died tragically at the hands of a political enemy. Her former family collapsed overnight, and everyone in the family was devastated. [In troubled times, you became her only support] [At the end of the simulation, you stand in front of the girl and turn into the most splendid fireworks, and her heart becomes completely silent with your passing. ... [In the second simulation, you travel through the doomsday wasteland era and wake up in a devastated world. [Until I met the broken girl with scars and dust-stained silver hair deep in the rusty ruins...] Escape from death is a moment of relief, chasing my husband to the crematorium. "No! Why do you all appear in the real world?" "... Can you please take the knife away from my neck first?"