 This was the start of this Promotion/Relegation Series.After the expansion, the league went back to their standard promotion and relegation system (17th & 18th in J1 switching places with 1st & 2nd in J2), but the Promotion/Relegation Series continued.The final series is the 2008 edition, as this is the final year J2 will have been composed of fewer than 18 teams.