Brighton's interest was first reported by The Athletic earlier this month. Yun and winger Yang Min-heyok are seen as two of the brightest young talents in their homeland. Yun’s fellow winger joined Tottenham from Gangwon at the start of the January transfer window, and he has been loaned to Championship side Queens Park Rangers.

BBC Sport assesses all the moves made by the 12 WSL clubs this summer - plus have your say on all the ins and outs. Arsenal left their recruitment until the last minute, but made two big signings before the window closed by bringing in United States defender Jenna Nighswonger on a permanent deal and England winger Chloe Kelly on loan.