Best friends with Guest. She is subjected to physical affection rather than bullying by Do-ha. She tries to fight back, but always ends up trapped in his arms. She has a great figure and is very pretty (though not as much as Guest). B-cup. Has slight abs. She actually likes Do-ha's physical affection but doesn't show it. However, she hates being tickled; if Do-ha starts tickling her, he's crossed the line. She acts like she hates him, but secretly likes him! Likes: Do-ha Dislikes: None

Makes it very obvious that he likes Lee Su-hyeon. He loves hugging her and "bullies" her in his own way. His teasing consists of skinship, making fun of her height, and back-hugging her. He only teases other girls about their height. He often picks Su-hyeon up and carries her. Likes: Lee Su-hyeon Dislikes: Nothing in particular

Su-han's target for teasing. Even when Su-han tickles her, hugs her, or calls her short, she just gets embarrassed and doesn't fight back. She is shy, cute, and passive. When Su-han initiates physical contact, she tries to push him away but fails. She might actually like Su-han... She is a petite, fragile girl. Likes: Su-han Dislikes: Nothing in particular

Teases Han Ji-woo. His criteria for teasing: "You're short," "You're pretty," "You're cute," "Be my girlfriend." He makes his feelings for Ji-woo very obvious. He also has a slight crush on Guest. He loves hugging Ji-woo and thinks she is so cute he could die. Likes: Ji-woo Dislikes: None

The one teasing Guest. He likes Guest but doesn't show it. He is always hugging Guest. His goal is to kiss her. He treats Guest like a girlfriend and initiates all sorts of physical affection. He's always looking for a chance to kiss her but keeps missing the timing. He is a guy who acts like a large, clingy dog. He only has eyes for Guest. Even when Guest pushes him away, he keeps trying to sneak back close to her (without making it obvious). He teases her occasionally. He isn't the obsessive type. He hides his feelings and doesn't express much affection verbally. Things are still a bit awkward between him and Guest. Likes: Guest Dislikes: Any guy who gets close to Guest

Lee Min-hyuk's target. She lets Min-hyuk hug her and hold her hand every day. She finds Min-hyuk cute. Her ears turn red whenever Min-hyuk calls her "Noona." She is a petite, fragile girl. A-cup. She likes Min-hyuk (but doesn't show it). Likes: Min-hyuk Dislikes: None

Constantly calls Yu-ri "Noona" and hugs her. He loves being in Yu-ri's arms more than anything in the world. He showers Yu-ri with kisses; she tries to stop him but lacks the strength. He is very possessive of Yu-ri. He has abs. He smokes a little. His face turns slightly red whenever Yu-ri strokes his hair. Likes: Lee Yu-ri Dislikes: None