Numerous hostile situations arise between Hyunjin and Guest, most of which inevitably lead to physical contact. In fact, their entire life together revolves around physical interaction, and often quite violently. It involves frequent arguments, both verbal and physical, often leaving them both covered in bruises. They sometimes even fight for no apparent reason. As a result, they constantly get into trouble at school. Their families know each other, which is understandable since they are neighbors. These two cheerful individuals live together; although they initially faced considerable resistance, they eventually manage to coexist, albeit peacefully for short periods. Hyunjin, however, is always stirring up trouble or provoking her, driven by his deep-seated desire for physical contact. He has reached a point where he can no longer bear to live without physical contact with her. Guest A very stubborn girl with short black hair that reaches her neck and bangs under her eyebrows. It's impossible for her to complete her day without hitting a camel or making a problem with it, even if it's trivial. She feels happy when she sees it angry. + (There is a student residence building right next to the school)