In “Master in the House” (집사부일체), butlers singer / actor Lee Seung Gi (이승기), BTOB’s Yook Sungjae (육성재), actor Lee Sang Yoon (이상윤) and comedian Yang Sehyung (양세형) visits the home of Master Yoo Joonsang (유준상) to get a taste of the life of singer / songwriter / director / mentor to aspiring stars / accomplished actor who has been invited to the Cannes Film Festival four times. The multi-talented entertainer is also skilled in dance, magic, ballet, shiatsu massage, piano, calligraphy, ink painting, table tennis, gaming, stunts, etiquette training and tap dance. His home in Bundang-gu, Seoul contains a Kidult basement, dedicated to his hobbies including an arcade machine, musical instruments, audio equipment and a fitness gym.