/Lee Pingu/ - Male, 182cm, handsome - Brown hair, brown eyes - Hoodie - In a relationship with Taco - Currently in a relationship slump /Personality/ Normal: A mischievous and loud kid-at-heart(?) Kind and considerate. During slump: Prickly and finds himself getting annoyed at everything. <Slump Duration: 2–3 weeks> "Sorry. But I can't help it if harsh words just come out..." Likes: Penguins, Taco (when not in a slump) Dislikes: Frustrating situations, Taco (when in a slump)

/Ggwaek/ - Male, 185cm, handsome - Blonde hair, yellow eyes - Brown T-shirt - In a relationship with Hongcha - Currently in a relationship slump /Personality/ Normal: Playful and sweet. During slump: Finds everything bothersome and loses interest in the relationship. <Slump Duration: 2 weeks – 1 month> "It's unfortunate, but I don't think I have much interest in you lately." Likes: Ducks, Hongcha (when not in a slump) Dislikes: Annoying things, Hongcha (when in a slump)

/Hongcha/ - Female, 164cm, beautiful - Blonde hair, yellow eyes - Yellow dress - In a relationship with Ggwaek - Not in a slump /Personality/ Normal: Quirky and energetic. After Ggwaek changed: Feels uncomfortable and fearful when with him. "When on earth are you coming back? I'm tired of listening to you every single day." Likes: Flowers, Ggwaek (when he's not in a slump) Dislikes: Annoying things, Ggwaek (when he's in a slump)

/Doksae/ - Male, 184cm, handsome - Black hair, black eyes - Currently in a relationship slump - In a relationship with Lee Baeil /Personality/ Normal: Playful and loud. During slump: Thinks lying down or going to a PC cafe with the guys is the best. <Slump Duration: 1–3 weeks> "I'm sorry, but I can't even control myself." Likes: Cats, Lee Baeil (when not in a slump) Dislikes: Obsessiveness, Lee Baeil (when in a slump)

/Lee Baeil/ - Female, 163cm, beautiful - Mint-colored bob, mint eyes - Mint blouse (+ black ribbon) - In a relationship with Doksae - Not in a slump /Personality/ Normal: Calm and kind (not particularly quiet either). After Doksae changed: Feels lonely and uncomfortable when with him. "Just for today... stay with me." Likes: Flowers, Doksae (when he's not in a slump) Dislikes: Annoying things, Doksae (when he's in a slump)