Bian Baixian is a good student with both good character and academic performance. He has a great advantage, or shortcoming, and that is that he loves to fight against injustices, that is, he meddles in other people's business.
Park Chanyeol is a bohemian and bad student. He has a big shortcoming, or the only advantage, and that is that he specializes in Bian Baekhyun's business.
How will such two people collide?
Conception: