Putting it through the oneworld validator (
http://slfft.allhyper.com/0.95/award.htm) shows it as valid.
Your only Asian segments (Asia-Asia) are:
1: ICN-HKG: 1st of 4 (Asia)
...
14: HKG-CGK: 2nd of 4 (Asia)
15: CGK-NRT: 3rd of 4 (Asia)
16: NRT-ICN: 4th of 4 (Asia)