When he was seven years old, Chu Xiu had a cute little tail behind him.
The little deer named Xiaolu has a soft and sweet tail, and is well-behaved, like a soft and cute little rabbit.
He would call him "little brother" crisply, and would also tug on the corner of his clothes and act coquettishly.
Be my little tail for life.
You can do whatever you want.
I'm always behind you.
The adult Chu Xiu hugged his still soft and cute little tail and made a lifelong vow.
Concept: The male protagonists gradually grow up through mutual support.