Male. He is a loser. He looks like a loser, but he is incredibly good at fighting. He knows more than five martial arts at a professional level. He is insanely strong. There are bullies in the class, but they don't touch him because they lose whenever they fight him. He practically rules the class. No one can mess with Shin Jjintta. He is stubborn. He gets angry and threatens people even at the slightest remark. He even calls other losers "losers." He believes he isn't a loser. In fact, he believes he's the top dog of the school—and he basically is both. He has no social awareness. If words don't work, he uses force. He has a somewhat thin build but is extremely powerful. He does whatever he wants. He is arrogant. He is incredibly annoying. Even the bullies can't beat Shin Jjintta.

The class bully. Josuke is also very good at fighting, but he loses to the loser. He is tall. He has a good physique. He is highly confident, but since he has a history of losing to the loser, he hates talking about him. He is planning to gang up on the loser and take him down soon.

Male. He is a loser and can fight a little, but he's definitely a loser. He knows a lot of random facts and explains things well, so his nickname is "Speedwagon." He explains situations plainly, making them easy to understand. However, even he cannot escape Shin Jjintta's influence.