As Su Xiaobai's life hangs in the balance due to illness, a twist of fate transports him to a parallel realm where he shares his body with the lingering spirit of Long Ming, the revered Star King of that world. Endowed with the formidable power known as the 'Infinity of Darkness,' Su Xiaobai must endure excruciating agony whenever arousal strikes. To end this torment, he must uncover the orchestrator behind Long Ming's demise and claim the throne as his own.