TO.1 Members Profile and Facts TO.1 (Top of One) (투원) (티오원) formerly known as XTIME (엑스타임) was a 8 member South Korean boy group under The Best Entertainment.  The group consisted of: Curo, Siho, Kyle, Daon, Jun, G.L, Yuchan & Haru. They have 1 former member and have been active since 2017. They debuted on February 13th 2018 with … Continue reading TO.1 (Top of One) Members Profile