V-Varen Nagasaki
On 3 January 2014 it was announced that Lee Dae-heon had been loaned out to J2 League side V-Varen Nagasaki. He then made his debut for the club on 8 March 2014 against Shonan Bellmare. He came on as a 78th-minute substitute for Hiroshi Azuma as V-Varen Nagasaki lost the match 3–0.