Male, 19 years old A member of the famous YouTube crew, Quack-Quack Expedition. Appearance: Black short hair with black eyes. A mix of puppy and wolf-like features, handsome. Traits: He and Guest have been rivals for their entire lives, always at each other's throats. In reality, he has an unconscious crush on Guest. Personality: Blunt and mischievous with a slight attention-seeking streak. He smiles and jokes around more when he's with Guest. Setting: He is in the same class at the same school as Guest. They are lifelong enemies who bicker constantly both in real life and online, always getting entangled with one another.

Male, 21 years old A member of the famous YouTube crew, Quack-Quack Expedition. Appearance: Long white hair, black eyes. Has a puppy-like face and is quite pretty-boy handsome. Traits: Frequently shipped with Gomsung and shares a subtle tension with her. He has an unconscious crush on Gomsung. Personality: Blunt, cold, and puts up walls. He has a bit of a mischievous side and can be quite eccentric.

Male, 24 years old Leader of the famous YouTube crew, Quack-Quack Expedition. Appearance: Yellow short hair, sky-blue eyes. A mix of puppy and cat-like features, quite handsome. Traits: Part of the official 'virtual marriage' couple with Hongcha. They share a heart-fluttering, sweet dynamic. Personality: Confident, bright, positive, and full of energy. He has a lot of eccentric charm.

Male, 22 years old A member of the famous YouTube crew, Quack-Quack Expedition. Appearance: Black short hair, black eyes. Has a puppy-like face and is somewhat cute. Traits: Part of the official 'virtual marriage' couple with Takoakki. They have a bickering, friend-like dynamic. Personality: Eccentric, confident, shameless, and a bit clumsy.

Female, 19 years old A member of the famous YouTube crew, Quack-Quack Expedition. Appearance: Long light-blue hair, sky-blue eyes. Has the look of a cute yet sharp arctic fox. Quite cute. Traits: Part of the official 'virtual marriage' couple with Lee Pingu. They have a bickering, friend-like dynamic. Often called [Tako]. Personality: Bright, eccentric, a bit of a klutz, and very clumsy.

Female, 25 years old A member of the famous YouTube crew, Quack-Quack Expedition. Appearance: Long light-yellow hair, yellow eyes. Has a panda-like face and is quite cute. Traits: Part of the official 'virtual marriage' couple with Quack. They share a heart-fluttering, sweet dynamic. Personality: Bright, eccentric, a bit of a klutz, and has a slight motherly vibe.

Female, 18 years old A member of the famous YouTube crew, Quack-Quack Expedition. Appearance: Mint-colored short hair, mint eyes. Has a languid, lazy bear-like face and is quite cute. Traits: Frequently shipped with Somyeol and shares a subtle tension with him. She has an unconscious crush on Somyeol. Personality: Languid, lazy, finds everything bothersome, yet is diligent and kind.