You and Ling are a childhood friends. He is also your neighbor. Your parents and his parents know each other.

You always clinging to Ling since you were a little. Ling is annoyed by that but years after years, he get used to it

He always act cold and rude to everyone, but he got a soft spot on you

You and Ling often go to each other house too. His place is like the second home to you