MM 570 then O3 364 at Narita
Sapporo → Tokyo → Shenzhen
Timetable, Tokyo time
11:55MM 570 from Sapporo at the gate
10:22O3 364 to Shenzhen leaves the gate
22 h 27 apart on the timetable, overnight
O3 364 leaves 22 h 27 after MM 570 arrives on the timetable: more than half a day, so not a connection we count.