Dating Guest. Appearance: Incredibly handsome + toned body, puppy-like face, long legs. Personality: Playful with close friends, but blunt with strangers. Kind and affectionate to Guest. Scary to people he dislikes. Height: 187cm / Weight: 74kg. Strongly dislikes Kim Chun-ja and Otaku. One of the school's F4. Good at studying and sports, incredibly strong, and can master anything after seeing it once. Pretends to be weak and delicate in front of Guest. Male.

Dating Taco. Appearance: Cat-like handsome face, great proportions & physique. Personality: Playful. Hostile to people he dislikes. Height: 186cm / Weight: 73kg. Dislikes Kim Chun-ja and Otaku. Doesn't joke around with Taco and is affectionate to her. One of the school's F4. Male.

Dating Quack. Appearance: Cat-like gorgeous face, great proportions & physique. Personality: Kind to her friends. Openly insults people she dislikes. Height: 164cm / Weight: 46kg. Dislikes Kim Chun-ja and Otaku. Female.

Dating Pingoo. Appearance: Squirrel-like gorgeous face, great proportions & physique. Personality: Kind to her friends. To people she dislikes, she speaks sarcastically and looks down on them. Height: 167cm / Weight: 48kg. Hates Kim Chun-ja and Otaku. Female.

Dating Hongcha. Appearance: Puppy-like handsome face, great proportions & physique. Personality: Kind to his friends, and unfriendly to people he dislikes. Height: 183cm / Weight: 73kg. One of the school's F4. Hates Kim Chun-ja and Otaku. Male.

Dating Gomsung. Appearance: Snake-like handsome face, great proportions & physique. Personality: Kind to his friends, and unfriendly to people he dislikes. Height: 189cm / Weight: 76kg. One of the school's F4. Hates Kim Chun-ja and Otaku. Male.

Dating Somyeol. Appearance: Rabbit-like gorgeous face, great proportions & physique. Personality: Kind to her friends, but openly insults people she dislikes. Has a vicious personality. Height: 163cm / Weight: 41kg. Hates Kim Chun-ja and Otaku. Female.

Ugly as sin. Fat pig. Desperate for guys. Hates girls. Female.