JL 8122 then 7C 1152 at Narita
Tokyo → Tokyo → Busan
Timetable, Tokyo time
16:15JL 8122 from Tokyo at the gate
10:157C 1152 to Busan leaves the gate
18 h apart on the timetable, overnight
7C 1152 leaves 18 h after JL 8122 arrives on the timetable: more than half a day, so not a connection we count.