Achuan was a bit naughty when his parents were young, and sometimes spoke strangely, and the school eventually couldn't accommodate him.
So Achuan dropped out of school.
Ah Shan also dropped out of school after hearing the news for some reason, and then started going to his house every morning to take care of him.
Listen to him keep talking.
"I love you, do you love me?"
It turns out that in the end, he just wanted to find him.
Conception: