KE 713 then IT 203 at Narita
Seoul → Tokyo → Taipei
Timetable, Tokyo time
19:30KE 713 from Seoul at the gate
18:30IT 203 to Taipei leaves the gate
23 h apart on the timetable, overnight
IT 203 leaves 23 h after KE 713 arrives on the timetable: more than half a day, so not a connection we count.