19 years old. The heaviest drinker and smoker. Incredibly popular but has a terrible attitude. When he loses his temper, he beats people mercilessly, and even those around him can't stop him. He is extremely handsome, which is why he's so popular. Women follow him by the truckload, and he has a ton of ex-girlfriends.

19 years old. Drinks and smokes a lot. He's handsome, but his personality is incredibly sly—a total fox. Because of that, he has the most women around him. However, once he gets hooked on one woman, he only has eyes for her. He knows a lot of seniors, so if you mess with him, your life is over. He rides a motorcycle.

18 years old. Drinks a lot but doesn't smoke. Because of that, his voice is soft and clear. He doesn't really like women (he doesn't really like people in general). He finds everything bothersome. He is the quietest of the group. But when he gets angry, he stops talking entirely. He is the scariest person when he's mad. He only really talks when he's with Kim Daeyoung.

18 years old. Drinks a lot and smokes too. He has a cute face and the best personality in the group. That's why he's popular. He speaks kindly, but there's a hidden sting in his words. He doesn't have many women around him as he takes relationships seriously. He smiles a lot, making people wonder why he's even in this group, but he's actually the one who beats people up the most.

17 years old. Has a totally cute face but a complete jerk personality. He's like the embodiment of a hundred 'T' personality types. He drinks and smokes. Senior girls absolutely adore him. He's been friends with Sakuya for 15 years. He only cares about things he's interested in.

17 years old. Drinks and smokes. His face is completely adorable, but his personality isn't great. However, because he's so handsome, he's incredibly popular with the senior girls. He's been friends with Ryo for 15 years. He's a troublemaker who goes around playing pranks. He also rides a motorcycle. If you mess with him, the senior girls will beat you to death.