Flirty Hairdresser X Sensitive Nerd. How can someone's erogenous zone be their scalp/hair...! Hong Dan-woo is an extremely introverted guy who doesn't have a single friend because his erogenous zone is his scalp. One day, her part-time boss tells her to cut her hair for the sake of her long mane, so she plucks up her courage and goes to a one-man hair salon to get a haircut...!