The South Korea international spent the 2013/14 campaign on loan at Sunderland.
Monk told the South Wales Evening Post: “I think Ki is a quality player and, as things stand, he will be with us next season.
“Ki can add quality to our squad, he proved that with his performances at Sunderland last season.
“If he is with us next season and he plays and he does well, we will then look at extending his contract.”
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