Kammala jumla mai zuwa: Heo ya wakilci Koriya ta Kudu a 2012 FIBA Under-17 World Championship, inda ya samu maki 17.7, 2 rebounds da kuma taimakawa 2.9. Heo ya kuma halarci taron
2013 FIBA Under-19 World Championship, inda ya yi matsakaicin maki 12.8, 3.4 rebounds da 3.2 taimaka.