I Used to be a Bad Boy Bragging Contest

Summary
It’s Takashi Kamiyama’s first day at Cromartie High. The problem is that it’s a school for delinquents and Kamiyama doesn’t exactly fit in, Luckily, he has Shinjiro Hayashida to show him around. They go through the school meeting each of its wacky and hilarious students, including the three weirdest. When they come to the weirdest of three weirdest, Shinichi Mechazawa, they instantly recognize that he’s a robot. But, no one else says anything.