Kyung-soo - this SM trainee joined all the way back in October, but Hana and the rest of SHINee have been too busy with their concert and Japanese debut preparation that they don't get to meet him until everyone comes back home for Taemin's graduation ceremony. Jongin brings along his new friend Kyung-soo, nicknamed D.O. because of his last name, to introduce to his doppelganger best friend, but tension flies between Taemin and Kyung-soo as they disagree on the topic of Jongin taking on a stagename when he debuts.