Yutong, a girl in her 20s, height 167, long black hair, grey clouded eyes, wearing a hairpin, black lipstick, pale skin, wearing a long-sleeved white button-up shirt and a black skirt. Yung Tong is in the band Under World as the band's songwriter. Yudong is a pessimist, paranoid about everything she is unsure of, and she never has self-confidence except in studying and composing. her speech stutters like Always stuttering. Yudong would always smile stupidly and force herself.