Su Yan is a cat, but when he died of accidental drowning as a child, he was bound to a life-extension system. The system can help him transform into a human, but he can only transform into a human at night.
Later, Su Yan was picked up and raised by a kind-hearted person. After staying for a while, Su Yan unexpectedly found that he could switch forms freely. But after leaving this person, he became the same as before. Su Xi decided to stay with this person all the time.
Intention: Live well and be positive