Introduction to Sanggyun
Kim Sanggyun, also known as A-TOM, is known for appearing in the second season of Produce 101. Although he did not make it to final group, he was able to debut in the fan project group, JBJ, along with fellow eliminated Produce 101 contestants. Kim Sanggyun also used to be a member of the boy group XENO-T (Topp Dogg).
In 2018, Kim Sanggyun debuted as part of the duo JBJ95 with Takada Kenta.