Another -900.  The midfield terminal receives an eclectic mix of operators; a Jin Air 737, a Jeju Air 737 and one of three Vietnam Airlines aircraft at that particular moment - 2 777s and an A330.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/28370492331/">KoreanAir 737-900 HL8249 at ICN</a>