Episode : Cromartie High (Co-Ed)
Info : Shinjiro Hayashida hears Shin-Mechazawa humming a song in the bathroom. Later that day, he starts humming to optimize the same, but can not remember the name or artist. He asks Kamiyama, but he can not remember either. The whole school is pretty soon the thought of what his song called humming. At the end of the day nobody can find it out. As Kamiyama heads, he hears Mechazawa humming the song! He asks him about it, but accidentally says that he knows it. Well, he can not ask the only person who knows the song name, otherwise he will be a tool of “look”.