Ching and Zhong hangout before school while Chong hangs out with his other friends and don't know each other very well.
By accident the teacher puts Zhong and Chong beside each other in class and they start to become friends.
Then, Zhong introduces Ching to Chong and they become better friends.
Ching and Zhong get in trouble sometimes so Chong stops hanging out with them.
Zhong's birthday is coming up and he wants to hangout with his friends for his birthday.
Ching remembers that it is Zhong's birthday today and he asked him what he wanted for his birthday. Zhong says that he wants to hangout with his friends and Ching knows if they want to hangout they can't get in trouble.