The rising star, Actor Nam Yoon Su is on the show! Although Yoon Su has been living alone for nine months, he’s pretty good at house chores. Yoon Su likes to take a walk on his day off, and he starts his day by walking in the early morning. The herbs in KEY’s garden have grown so much. KEY makes lemon dill butter for the Rainbow Club members. KEY wants to treat TAEMIN well before TAEMIN goes to the army, so KEY throws a farewell party for TAEMIN. Additional Cast - TAEMIN