KE 852 then 7C 1305 at Incheon
Beijing Capital → Seoul → Osaka
Timetable, Seoul time
21:55KE 852 from Beijing Capital at the gate
16:557C 1305 to Osaka leaves the gate
19 h apart on the timetable, overnight
7C 1305 leaves 19 h after KE 852 arrives on the timetable: more than half a day, so not a connection we count.