JX 901 then IT 202 at Taipei
Busan → Taipei → Tokyo Narita
Timetable, Taipei time
14:05JX 901 from Busan at the gate
13:30IT 202 to Tokyo Narita leaves the gate
23 h 25 apart on the timetable, overnight
IT 202 leaves 23 h 25 after JX 901 arrives on the timetable: more than half a day, so not a connection we count.