SEOUL, Jan 12 (Reuters) - A rare chance for a North Korean footballer to play in South Korea's professional K-League has disappeared because the player's Japanese club have demanded too much for his transfer.South Korea's Incheon United approached Nagoya Grampus Eight about signing North Korean midfielder Ahn Young-hak but the asking price, which was not revealed, was too high, Incheon's manager Ahn Jeong-bok said on Thursday. Only a handful of North Koreans have played in the South Korean K-League. 'I was interested in Ahn, but Nagoya Grampus were asking for too much in the transaction,' said Jeong-bok by telephone. 'After that, the idea became stale.' Ahn took part in North Korea's unsuccessful campaign to win a place at the World Cup finals in Germany this year. The North Koreans have only taken part in the World Cup finals once, in England in 1966, while South Korea will be competing in their sixth successive finals in Germany in the summer.