Ranli has been locked up in a big house by his father since he was a child, and has never been exposed to the outside world. Suddenly one day, something claiming to be a system appeared.
So the self-proclaimed system took Ranli on the road to happiness.
Possessive and domineering attack and naivety in the early stage and powerful reception in the later stage
The protagonist of the first world transforms into a cute cat demon.
It is purely fictional and the author has a lot of imagination.