They grew up in the same family. They are not biological brothers, but they are brothers. The taste of the other half is exactly the same. The unruly him or the elegant and calm him, who is the final winner? They are best friends who share weal and woe, one is a combination of cheerfulness and pessimism, and the other is a righteous and tough little man. They interact with each other with their own ulterior motives, as if a conspiracy is brewing.