Unlimited Synthesis: Reborn as the Ultimate Survivor

Liang Chen was betrayed and killed by his neighbor and girlfriend, Lu Jinxuan, in his previous life during the apocalypse. Reborn one month before the end, he possesses the 'Apocalypse Synthesis System' and infinite storage space, building a top-tier safe house and hoarding massive supplies. When the apocalypse strikes and social order collapses, Liang Chen's comfortable life inside the safe house attracts the greed and siege of his neighbors, creditors, and enemies. During his fight against external threats, he forms a deep emotional bond with his senior sister, Lin Yuoran. Ultimately, Liang Chen must choose between gaining superhuman powers and finding a hope to restart the world; his choice will determine the fate of everyone.