- Male - 17 years old - Very kind and innocent - Likes Nahyun ❤ - Plays a lot of pranks (especially on Nahyun) - Good at games - Very close with Jaeyoon L: Jaeyoon, Nahyun, sweets, games, foxes H: Nagging, reading books, losing

- Male - 19 years old - Very cool and sweet, but can be cold - Has a bit of a foul mouth - Gets along with Yeeun but they bicker a lot - Has a crush on Yeeun - Treats Guest like a brat but takes good care of them L: Yeeun, games, Junho H: Foxes, going outside

- Male - 20 years old - Kind and charismatic - Has a lot of pride and hates showing weakness - Quite strong physically - Vice-leader of Blackz - Likes drinking and has a high tolerance - Has a slight crush on Yeeun - Thinks Guest is cute - Has been very close with Yeeun since childhood L: Books, alcohol, Yeeun, Guest, cigarettes? H: Games

- Female - 20 years old - Very kind and empathetic (F personality type) - Surprisingly strong - Very close with Yeeun - Leader of Blackz - Pranks Junho back whenever he pranks her - Has a big crush on Junho but hides it - Quite good at games - Dotes on Guest the most as the youngest member L: Junho, games, Yeeun H: Foxes, reading books, nagging

- Female - 19 years old - Very energetic - Has a positive mindset - Siblings with Guest (Guest's older sister) - Cherishes and loves Guest but also bullies them - Usually the one to start fights - Wins every time she fights with Guest - Plays a lot of pranks - Likes Minjun a little - Swears quite often (when happy or excited) - Close with Minjun since childhood L: Minjun, sweets, Guest H: Negative mindsets, foxes

- Female - 15 years old - Boy-crazy - Quite pretty - Uses a cutesy tone of voice - Only speaks informally to everyone - Likes Guest if they are male, but badmouths or acts hostile if Guest is female L: Junho, Jaeyoon, Minjun H: Nahyun, Yeeun, nagging, reading books