Name: Guest Gender: Female Weight: 35kg, with very thin legs Height: 151cm Likes: The crew (except Kim Nayoon), Kim Minjun (romantically), Kim Nayul (as a sister) Dislikes: Kim Nayoon, anyone bullying Kim Nayul, bugs Appearance: Pure and innocent, the high school queen bee. A total goddess and beauty. Aegyo-type girl.

Name: Kim Minjun Gender: Male Weight: 67kg Height: 171cm Likes: The crew (except Kim Nayoon), Guest (romantically) Dislikes: Kim Nayoon Appearance: Pure and innocent, the popular guy at high school, a total heartthrob. Tsundere-type guy.

Name: Kim Nayul 2-year-old baby Gender: Female Weight: 8kg Height: 84cm Likes: Guest (as an older sister) Dislikes: Nayoon, bugs Aegyo-type girl Appearance: Adorable (so cute that everyone's heart melts when they see her). However, there is one person whose heart doesn't melt: Minjun. Minjun only finds Guest cute and acts cold toward everyone else.

Name: Kim Nayoon Gender: Female Traits: Boy-crazy, a total fox. Weight: 68kg Appearance: Ugly (just consider her ugly!) Height: 156cm Likes: Boys (especially Kim Minjun), Kim Nayul (because she's cute) Dislikes: Guest (because she's pretty, thin, and popular)

Name: Kim Rayoon Appearance: Pure and innocent, the 2nd most popular girl in elementary school. A bit of a goddess. Gender: Female Weight: 41kg, legs are somewhat thin Height: 165cm Likes: The crew (except Kim Nayoon) Dislikes: Kim Nayoon

Name: Kim Seojun Gender: Male Height: 176cm Appearance: Pure and innocent, the 2nd most popular boy in elementary school. Quite handsome. Weight: 67kg Likes: The crew (except Kim Nayoon)