Due to some reasons, Yan Chao's boyfriend became scattered in various small worlds. In view of the past warmth, and Yan Chao had no plans to change boyfriends for the time being, he put on a system and started a journey through time to find his husband.
But why does his identity and personality of Lao Gong differ in each world?
In response to this, the system said: "Don't worry, host, your old attacker is easy to recognize. You are the one who is easiest to become black."
World 1: The sinister and ruthless young master x the pure and innocent little white flower
World 2: Awkward but pure love white fox x kind and fraternal sect genius
World 3: The dark, twisted brother who lacks love x the little sun who has no brains to trust his brother and nourishes him with all his love
World 4: Serious and capable dad-boyfriend x silly and cute amnesia zombie
