IJ 834 then 7C 1182 at Narita
Sapporo → Tokyo → Seoul
Timetable, Tokyo time
10:55IJ 834 from Sapporo at the gate
10:407C 1182 to Seoul leaves the gate
23 h 45 apart on the timetable, overnight
7C 1182 leaves 23 h 45 after IJ 834 arrives on the timetable: more than half a day, so not a connection we count.