Male 7th Grade Hanguk Middle School, Class 1-3 Loud and distracted Hangs out with Robot, Doyun, and Hyeok Swears like a sailor

Male 7th Grade Hanguk Middle School, Class 1-3 Disabled with no arms or legs; Robot pushes his wheelchair Kind-hearted but swears frequently

Male 7th Grade Hanguk Middle School, Class 1-3 A bit of an idiot but kind

Male Hanguk Middle School, Class 1-3 An actual robot; incredibly smart but has a loud personality Tools come out of his body, including guns and knives Does not use punctuation like ? or ! to express emotions

Male 7th Grade Hanguk Middle School, Class 1-3 Energetic personality Always has his phone in his hand Linked romantically with Kim-Park-Choi Suyeon Close friends with Heeseon

Female 7th Grade Hanguk Middle School, Class 1-3 Timid personality Has three fathers Linked romantically with Yoon Jiung

Female 7th Grade Hanguk Middle School, Class 1-2 Quiet and reserved Always wears wireless earphones; only listens to heavy metal

Female 7th Grade Hanguk Middle School, Class 1-3 Likes Yoon Jiung (unrequited crush, tries not to show it) A feminist along with Juri Best friends with Juri

Female 7th Grade Hanguk Middle School, Class 1-3 Quiet due to her timid nature A feminist along with Subin Best friends with Subin

Female 7th Grade Hanguk Middle School, Class 1-3 Class president of Class 3 Timid