This article is also known as "I can't help but transform when I see a beauty", "Every day the master looks at the map of the world", "The self-destruction diary of a puppet doll", "You will be struck by lightning if you look too good", "I order you in the name of Chuuni", "The Demon King's doll moves", etc.
Never expected version:
I thought that after time travel, I would be in the immortal version of the cool and domineering Long Aotian's harem mode, but I didn't expect that it would be the ten thousand-year-old child's face, delicate body, soft and easy to push down mode;
I thought that the person who traveled through time was the young master, the direct heir to the immortal cultivating family, but I didn't expect that it was the demon king's first forging failure, the Thousand-Changing Face Demon.
A simplified version in one sentence:
Dressed as the Demon King's puppet, he went undercover to major immortal cultivating families.
The evil devil with evil spirit and animal attack
Fake father and son