Oh Hyeon-gyu has expressed his gratitude towards Celtic, describing the club and its supporters as the "best" after his departure from the Scottish champions.
The South Korean striker has joined Belgian side Genk in a deal worth around £4.5 million last Sunday.
Hyeon-gyu arrived at Celtic Park under the management of Ange Postecoglou, but found his playing time limited in the latter stages of his 18-month stint in Glasgow - falling behind both Adam Idah and Kyogo Furuhashi.
Celtic boss Brendan Rodgers has now sanctioned the forward's move to the Jupiler Pro League, as the Hoops capitalise on the opportunity to cash in on the 23-year-old.
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Posting on Instagram, the 23-year-old front man said: “Hello Celtic fans. My year and a half in Glasgow has gone by so fast.
“It's been an honour to be with the best team and best fans. I will always support and be with Celtic. Good luck."
Last season the South Korean international scored five goals from 26 appearances in all competitions, but had featured for Celtic just three times since January, highlighting that he was surplus to requirements.
"Hyeon-gyu is a striker with a nose for goals," Genk's director of football Dimitri de Conde told the club's website after the signing was confirmed.
"He is a quick player who, thanks to his stature, also offers a strong presence in the box."
