Young interns struggling with low monthly incomes have to take part-time jobs at other hospitals. Meanwhile, Nagadai Hospital's two interns, Saito and Dekune, head to a hospital where nurses and doctors work completely naked. Nurses get excited when they see someone naked, and nurses get excited when they see an erection. What on earth is medical care... what on earth is nakedness!? The adult version of "Say hello to Black Jack" is here!