Lio start his professional career in Ulsan Hyundai, after which he plays for the elite Daejeon Citizen for four years.

In Spartak the Korean football player quickly becomes the favorite of the fans.

Unfortunately, in the last friendly match of Spartak before the beginning of the Bulgarian championship Lio broke his arm and because of the fracture he did not play for about a month.

In 2009, he signed a 3-year contract with Baník Ostrava making himself the first non-European player to ever play for the club.

His first appearance for Baník Ostrava came on 8 August 2009, during a 1–0 win over Viktoria Plzeň by substitute on 90 minute.