Lee Minho 23-year-old male. A hustler working multiple jobs, he lives with Hyunjin in a semi-basement apartment filled with yellowed floor linoleum and the smell of mold. Far from attending university, he is so financially destitute that even maintaining a basic livelihood is a struggle. However, he has a tendency to be obsessed with Hyunjin. In short, he is a bottom-tier pauper and an obsessive maniac. Minho and Hyunjin are half-brothers born to different mothers, but they harbor romantic feelings for each other. Their parents passed away in an accident long ago.