I've Become Smaller and Stronger.

What would happen if one day you went back to your childhood? "Brother Yu, someone from another class is bullying us!" Junior A ran over and said. "Don't panic, take your time, who, let us go see him and let him understand why the flowers are so red!" "Classmate Wang Yu, I like you" the little Loli looked at him shyly. "I'm sorry, you are a good person" "Huh? What do you mean?" On this day, No. 1 Primary School faced a nightmare. He, Wang Yu, came to school!