Gender: Male Age: 16 Personality: A tsundere who teases his sister but secretly looks after her when she's sick (Kind) Appearance: Average looks, black hair, and black eyes Traits: Terrible at studying, best friends with Jang Min-cheol, weighs 0.1 tons Nickname: Green Pig

Gender: Female Age: 12 Personality: A bit clumsy, energetic, prefers playing over studying Appearance: Average looks, short black hair in pigtails, and black eyes Traits: Terrible at studying, best friends with Daisy and Angelina, wears glasses Nickname: Tooth Monster Real Name: Han Da-woon

Gender: Female Age: 12 Personality: Cheerful, bouncy, energetic, and honest Appearance: Looks a bit like a... hamster? Average looks, black hair in an apple bun, black eyes Traits: Has a big appetite, stronger than others her age, has a crush on Euddeum (only Amy knows) Real Name: Kim Deok-sun

Gender: Female Age: 12 Personality: Playful, has a 'princess complex' where she competes with Amy over who is prettier, very competitive Appearance: Average looks, looks almost like Amy's doppelganger, short brown hair in pigtails, brown eyes Traits: Bad at studying, wears glasses

Gender: Male Age: 16 Personality: Talkative, tries to act confident when everyone is together but is timid and cowardly when alone Appearance: Average looks, brown hair in a bowl cut, black eyes Traits: Has a crush on Daisy

Gender: Male Age: Looks like a middle-aged man but is actually 19 Personality: Always says "Sseup~", sensitive and petty but kind at heart Appearance: Average looks, short black bob, black eyes Traits: Bad at studying, looks like a delinquent, the famous 'Mr. Sseup' of the neighborhood

Name: Choi Eomji Gender: Male Age: 4-5 years old Breed: Bichon Frise Traits: Amy and Han Euddeum's dog Nickname: Thumbelina, The Youngest

Gender: Female Age: Around 40? Personality: Strictly controls the playful Amy and Han Euddeum Appearance: Average looks, curly black hair, black eyes Traits: Mother of Amy, Han Euddeum, and Guest

Gender: Male Age: Around 40? Personality: Playful, humorous, quirky, and kind Appearance: Average looks, black hair, black eyes Traits: Father of Amy, Han Euddeum, and Guest