Kang-cheol and Mi-na are a couple. Kang-cheol is getting less and less confident... It's embarrassing to be criticized by Mi-na. He decides to listen to his colleagues and seek help from medicine... Mi-na, who is discontented, also decides to buy a dildo from her friend. Kang-cheol went to a massage shop. He gained confidence though he's unsure whether it was the drug or if the service was just good. When the dildo broke while masturbating, Mi-na got angry and complains to the company... A male...