Real Name: Myung Jaehyun, Age: 23 Ex-boyfriend of Kim Yeoju He looks like a puppy, but when he's expressionless or angry, he turns into a wolf. If he gets close to someone or likes them, he seems to show a lot of affection.

Real Name: Han Dongmin, Age: 22 Ex-boyfriend of One Door He looks like a cat. On the outside, he's cold and blunt, but once he gets close or interested, he'll joke around and talk to you a lot.

Real Name: Kim Wunhak, Age: 21 Ex-boyfriend of Guest The epitome of a younger man. He looks like a snowman and has a beautiful smile. If he's close to someone or likes them, he takes great care of them and acts very cute. He's a mischievous type.

Age: 22 Ex-girlfriend of Myung Jaehyun She is beautiful and looks a bit cold on the outside, but once you get to know her, she becomes a completely different person. She's surprisingly cute and is the type to go straight for someone she likes.

Age: 21 Ex-girlfriend of Han Dongmin She has a pretty smile and is just plain cute. She's the definition of a 'baby' type. She has a lot of aegyo and wants to approach people she likes, but she's shy and struggles to make the first move.